Industrijska Automatizacija i Upravljački Sistemi
Potkategorije
Izaberi raspored
Almost sold out
High repeat customers
Almost sold out
€117.60
4.94
Almost sold out
High repeat customers
Almost sold out
Foldable Bracket Base Led Signal Tower Column Lamp for Easy Installation
€39.74
4.55
486 sold
€144.50
4.66
785 sold
€180.64
4
Verified by Kraford
€153.54
4.07
Almost sold out
High repeat customers
Almost sold out
NX100 JZRCR-NPP01B-1 YASKAWA Cover Case Plastic + Membrane Keypad Keysheet 1Set
€265.68
4.44
Almost sold out
High repeat customers
Almost sold out
Harmonic Drive Systems Precision Servo Motor Harmonic Gear Reducer CNC Robot Arm
€155.06
4.5
Almost sold out
High repeat customers
Almost sold out
Advanced Foldable LED Alarm Light Signal Tower Machine Light with 85dB Sound
€49.38
4.97
Verified by Kraford
€46.94
4.51
Verified by Kraford
€5.42
4.37
547 sold
€81.89
4.17
Verified by Kraford
42x42mm Planetary Gearbox 5:1 /10:1 /20:1 /50:1/ 100:1 for Nema 17 Stepper Motor
€67.44
4.49
Verified by Kraford
Bearing Steel Ball Dia 1mm-15mm High Precision Bearing Balls Smooth Ball
€5.42
4.99
Verified by Kraford
1/1.5/2 Mod 12~120 Teeth Flat Gear Cylindrical Gear Spur Gears Stainless Steel
€28.90
4.26
Verified by Kraford
€50.58
4.12
880 sold
€130.94
4.93
Almost sold out
High repeat customers
Almost sold out
BERM LED Signal Tower Stack Light 2 Layers Industrial Warning Buzzer Column Lamp
€34.93
4.79
Verified by Kraford
€61.42
4.31
Verified by Kraford
€25.30
4.71
348 sold
CNC LTA507-5WJ Multi-layer tower light LED flashing machine warning light buzzer
€78.27
4.43
Almost sold out
High repeat customers
Almost sold out
110V/220V Digital IC Tester YBD868 Integrated Circuit Tester YBD-868
€345.46
4.26
Almost sold out
High repeat customers
Almost sold out
Automatic Robot Disc Tool Changer Signal Module NSK-10D/10DJ For Star EINS OX
€182.90
4.41
Almost sold out
High repeat customers
Almost sold out
€31.31
4.47
Verified by Kraford
Digital IC Tester Integrated Circuit Desktop IC Chip Component Checking Machine
€346.98
4.59
655 sold
€124.19
4.12
Verified by Kraford
€5.42
4.39
Verified by Kraford
€32.50
4.26
97 sold
€36.13
4.83
Almost sold out
High repeat customers
Almost sold out
€50.58
4.93
Verified by Kraford
New High Torque Gearbox Reducer NMRV 025/030/040 Ratio Electric Motor Gearbox
€144.50
4.21
Verified by Kraford
€43.36
4.18
Verified by Kraford
Dustproof and Waterproof Signal Tower Lights for Industrial Applications
€43.36
4.3
Almost sold out
High repeat customers
Almost sold out
NMRV040 Gearbox Reducer Ratio Electric Motor Gearbox for Automatic Doors Motor
€117.42
4.12
Verified by Kraford
€61.42
4.66
Verified by Kraford
€65.02
4.94
854 sold
€20.48
4.44
Almost sold out
High repeat customers
Almost sold out
Load Cell Indicator Amplifier Transmitter AC 100-240V A/DC 10-24V IP65
€127.95
4.51
Verified by Kraford
Dust and Moisture Resistant Signal Tower Lights for Industrial Applications
€39.74
4.5
Verified by Kraford
Dust and Moisture Resistant Signal Tower Lights for Industrial Applications
€34.93
4.11
Verified by Kraford
90 Degree Speed Ratio 1:1 Reversing Angle Gear Right Angle Gear Box Bevel Gear
€54.19
4.92
Verified by Kraford
€21.68
4.97
13 sold
€36.13
4.82
Almost sold out
High repeat customers
Almost sold out
Foldable Bracket Base Led Signal Tower Column Lamp for Easy Installation
€39.74
4.18
956 sold
€38.53
4.23
392 sold
€141.50
4.8
Almost sold out
High repeat customers
Almost sold out
€34.93
4.98
Almost sold out
High repeat customers
Almost sold out
1PCRight angle transmission variableSpeed umbrella gear1:1shaft diameter6gearbox
€61.42
4.19
Almost sold out
High repeat customers
Almost sold out
Digital IC tester integrated circuit measuring-testing instrument YBD-868
€301.82
4.73
Verified by Kraford
€153.54
4.22
Almost sold out
High repeat customers
Almost sold out
€125.68
4.66
368 sold
€49.38
4.14
818 sold
€21.68
4.76
361 sold
€63.82
4.85
Verified by Kraford
HTD-3 M 12T-120T Timing Belt Pulley Without Step Bore 4-15mm For 15mm Width Belt
€28.90
4.84
Almost sold out
High repeat customers
Almost sold out
Industrial Grade Led Signal Tower Lights with Buzzer Alarm and Rotatable Base
€31.31
4.53
948 sold
€144.50
4.92
Almost sold out
High repeat customers
Almost sold out
€32.50
4.6
445 sold
€347.71
4.96
8 sold
€72.26
4.74
Almost sold out
High repeat customers
Almost sold out
Right angle commutator step servo motor precision steering gear Angle Converter
€141.50
4.3
Verified by Kraford
2x 8 teeth 1mm hole Copper gear Remote control aircraft parts model spindle gear
€5.42
4.81
Verified by Kraford
Module 1/1.5/2/2.5/3 45 Steel Straight Pinion Gear Rack with Holes for Motor RC
€81.89
4.32
Verified by Kraford
€45.76
4.29
Almost sold out
High repeat customers
Almost sold out
Sliding Door Tooth Belt PU S8M Belt Drive Garage Door Elevator Belt Drive Opener
€60.21
4.39
Verified by Kraford
With Step 45# Steel Motor Transmission Gear 1 Mod Pinion Gear 10T-150T Spur Gear
€21.68
4.01
Verified by Kraford
€125.68
4.77
Verified by Kraford
L-type Synchronous Wheel L10T-L50T Pitch 3/8" Tooth Width 21/27mm Timing Pulley
€28.90
4.85
Almost sold out
High repeat customers
Almost sold out
€28.90
4.62
Almost sold out
High repeat customers
Almost sold out
€42.16
4.56
Almost sold out
High repeat customers
Almost sold out
€21.68
4.73
499 sold
NMRV040 Worm Gear Reducer 30/50/100:1 63B14 1400r/min Speed Reducer for Stepper
€135.47
4.51
Almost sold out
High repeat customers
Almost sold out
€158.05
4.56
Verified by Kraford
€49.38
4.41
260 sold
€34.93
4.03
Verified by Kraford
€5064.75
4.32
816 sold
€24.08
4.23
Verified by Kraford
€57.81
4.23
778 sold
For NMRV030 Worm Gear Speed Reducer 14mm Keyed Single / Double Output Shaft Kit
€31.31
4.23
Verified by Kraford
Process Control Environments LED Signal Tower Lights Industrial Signal Lights
€36.13
4.79
Verified by Kraford
8mm Input New Gear Head Speed Reducer Planetary Gearbox For 57 Stepper Motor
€169.34
4.86
Almost sold out
High repeat customers
Almost sold out
€5.42
4.04
Almost sold out
High repeat customers
Almost sold out
Planetary Gearbox Speed Reducer 60mm 80mm 110mm for Nema24/Nema32/44 Servo Motor
€123.42
4.62
Almost sold out
High repeat customers
Almost sold out
Lighting Options LED Signal Tower Stack Lights for Industrial Applications
€36.13
4.14
Almost sold out
High repeat customers
Almost sold out
Dust and Moisture Resistant Signal Tower Lights for Industrial Applications
€46.94
4.43
Almost sold out
High repeat customers
Almost sold out
Column Load Cell Sensor with Indicator Display Test Force Weight Pressure
€161.82
4.58
590 sold
1:220 Signal Tower/overhead Signal Tower Cement/imitation Wood 3D Printing Model
€36.13
4.51
Almost sold out
High repeat customers
Almost sold out
€32.50
4.67
Almost sold out
High repeat customers
Almost sold out
V-belt Pulley Single Groove A- type Motor Belt Drive Wheel 40mm/60mm/80mm/100mm
€25.30
4.25
Almost sold out
High repeat customers
Almost sold out
Dustproof and Waterproof Signal Tower Lights for Industrial Applications
€31.31
4.1
Almost sold out
High repeat customers
Almost sold out
€60.21
4.04
Verified by Kraford
€182.90
4.02
116 sold
€46.94
4.76
Almost sold out
High repeat customers
Almost sold out
€130.94
4.19
550 sold
€57.81
4.63
Verified by Kraford
€81.89
4.48
221 sold
Inductive Proximity Sensor For Industrial Automation Wide Range Of Applications
€56.61
4.75
729 sold
€61.42
4.18
Almost sold out
High repeat customers
Almost sold out
1 Pcs GT2 24T-60 Teeth Synchronous Wheel - Gear Pulley Width 16mm Timing Pulley
€36.13
4.7
Verified by Kraford
Right angle planetary gearbox for NEMA23 57mm stepper/60mm 200W 400W Servo motor
€182.90
4.83
70 sold
€144.50
4.05
Verified by Kraford
CM10-AP10S-M(D6) Elbow Connector CM10-SP10S-M(D6) Straight Encoder Plug 10pin
€25.30
4.43
Verified by Kraford
€189.66
4.59
3 sold
€72.26
4.21
533 sold
€38.53
4.11
Almost sold out
High repeat customers
Almost sold out
Worm Gearbox NMRV030 NEMA23 Speed Reducer Reduction 10 15 20 25 30 40 50 60 80:1
€225.79
4.91
Almost sold out
High repeat customers
Almost sold out
220V LED Warning Light Bulb Blinking Signal Tower Lamp LTE-2071 TB-60 4 Colors
€72.26
4.42
819 sold
Bellow Type Load Cell Sensor with Indicator Display Input 0.8-2.5mV/V AC100-240V
€119.66
4.66
Almost sold out
High repeat customers
Almost sold out
€36.13
4.44
675 sold
Column Type Load Cell Sensor with Indicator Display Test Force Weight Pressure
€123.42
4.63
282 sold
Planetary Gearbox 8MM Input Shaft Gear Head Speed Reducer For 57 Stepper Motor
€169.34
4.31
Verified by Kraford
€27.71
4.21
Almost sold out
High repeat customers
Almost sold out
Efficient Power Transmission Round Belt Pulley for Gasoline Engine Diesel Power
€36.13
4.61
Almost sold out
High repeat customers
Almost sold out
Dust and Moisture Resistant Signal Tower Lights for Industrial Applications
€28.90
4.33
320 sold
LTE-5121 Sound Light Alarm LED Signal Light Buzzer Small Strobe Warning Light12V
€119.66
4.24
785 sold
€361.26
4.17
Verified by Kraford
€301.82
4.2
656 sold
€130.94
4.05
Verified by Kraford
Bore 1.95mm 0.5 Modulus Plastic Spindle Gear Small Motor Gear Reduction Gear
€5.42
4.41
Almost sold out
High repeat customers
Almost sold out
€164.08
4.85
Verified by Kraford
€36.13
4.55
Verified by Kraford
GEYA Omron Relay Module for PLC 8 Channel 12V 24V AC/DC 1NO1NC Pluggale Relay
€126.45
4.38
854 sold
€36.13
4.05
356 sold
€38.53
4.98
Verified by Kraford
1PCS New Rubber Sleeve Coupling Element Fits TB WOOD'S 6H\7H\8H\9H\10H\11H
€180.64
4.32
Almost sold out
High repeat customers
Almost sold out
HTD-5M Timing Pulley Belts Pitch 5mm Close Loop Synchronous Belt Width 15mm
€28.90
4.8
Verified by Kraford
€28.90
4.29
Verified by Kraford
CNC LTA506-5WJ Multi-layer tower light LED flashing machine warning light buzzer
€78.27
4.86
Almost sold out
High repeat customers
Almost sold out
RV025-150 Worm Gearboxes NMRV063 Speed Reducer Ratio 7.5 10 15 20 30 40 50 60:1
€252.13
4.72
Verified by Kraford
€128.70
4.83
Almost sold out
High repeat customers
Almost sold out
Adjustable Flashing Modes LED Stack Lights Visible and Audible Signals
€39.74
4.32
Almost sold out
High repeat customers
Almost sold out
JZRCR-APP01-1 YASKAWA Teach Pendant AKS-000C FLEX PENDANT DHL FEDEX 1PC
€1609.89
4.22
303 sold
€28.90
4.27
640 sold
€42.16
4.09
Verified by Kraford
€356.00
4.84
Almost sold out
High repeat customers
Almost sold out
€32.50
4.12
769 sold
€21.68
4.08
870 sold
€128.70
4.46
Almost sold out
High repeat customers
Almost sold out
€28.90
4.45
Verified by Kraford
CNC LTA505-5WJ Multi-layer tower light LED flashing machine warning light buzzer
€78.27
4.67
464 sold
€258.90
4.96
947 sold
€49.38
4.35
Almost sold out
High repeat customers
Almost sold out
€158.05
4.11
Verified by Kraford
Industrial Grade Led Signal Tower Lights with Buzzer Alarm and Rotatable Base
€36.13
4.67
Almost sold out
High repeat customers
Almost sold out
Mini Load Cell Sensor with Indicator Display Test Force Weight Pressure
€124.19
4.41
Verified by Kraford
€61.42
4.39
Verified by Kraford
Digital IC Tester Integrated Circuit Chip Component Detector YBD-868
€345.46
4.32
105 sold
€43.36
5
Verified by Kraford
110V/220V Digital IC Tester YBD868 Integrated Circuit Tester YBD-868
€356.00
4.61
Verified by Kraford
New TR400 Robot Tank Chassis ROS Robot Open Source 20kg Load for Arduino DIY
€1401.41
4.11
98 sold
€32.50
4.95
Verified by Kraford
€474.16
4.49
Almost sold out
High repeat customers
Almost sold out
€50.58
4.38
Almost sold out
High repeat customers
Almost sold out
€117.42
4.27
Almost sold out
High repeat customers
Almost sold out
€119.66
4.76
Almost sold out
High repeat customers
Almost sold out
Dust and Moisture Resistant Signal Tower Lights for Industrial Applications
€36.13
4.32
526 sold
Wind Gear Transmission Generator Speed-increasing Gearbox Hand-cranked Reducer
€134.72
4.58
88 sold
€117.42
4.46
486 sold
NMRV 025 Gearbox Reducer Ratio Electric Motor Gearbox for Automatic Doors Motor
€162.58
4.35
Verified by Kraford
LED Signal Tower Lights Built-in Summer Alarm For Industrial Machinery
€34.93
4.23
Almost sold out
High repeat customers
Almost sold out
€32.50
4.34
619 sold
90 Degree Right Angle Transmission Reversing Gearbox 1:1 Dual Output Shaft BevEm
€57.81
4.21
603 sold
€63.82
4.71
Almost sold out
High repeat customers
Almost sold out
NEMA34 Planetary reducer 3 arcmin for 86 stepper/90mm Servo φ12.7/14/16mm Input
€276.98
4.4
Verified by Kraford
€50.58
4.88
683 sold
€229.55
4.18
Verified by Kraford
€141.50
4.35
Almost sold out
High repeat customers
Almost sold out
€180.64
4.57
Verified by Kraford
€167.09
4.15
Almost sold out
High repeat customers
Almost sold out
€34.93
4.82
Almost sold out
High repeat customers
Almost sold out
Multi-layer tower light LED flashing three-color machine tool alarm light buzzer
€126.45
4.52
Verified by Kraford
€60.21
4.86
Verified by Kraford
€28.90
4.39
Verified by Kraford
High Precision NEMA23 Planetary Gearbox 7arc-min 6.35/8/9.5/11/14mm input shaft
€180.64
4.77
Verified by Kraford
Harmonic Drive System Precision Stepper Servo motor Gear Reducer CNC Robot Arm
€133.22
4.29
623 sold
€160.32
4.29
Almost sold out
High repeat customers
Almost sold out
LED sound light integrated warning light LED small flashing warning light buzzer
€61.42
4.53
Verified by Kraford
€31.31
4.88
Verified by Kraford
€61.42
4.98
944 sold
Safety Stack Lamp Red Green Flash Industrial Tower Signal warning Light LTA-205
€149.02
4.36
Verified by Kraford
€200.94
4.5
Verified by Kraford
Digital IC Tester Integrated Circuit Chip Component Detector YBD-868
€362.77
4.77
544 sold
€187.39
4.16
Verified by Kraford
6x10mm Module 0.5 Plastic Worm Gear Drive for 2mm Electric Motor Shaft Model DIY
€21.68
4.81
719 sold
€79.47
4.76
Almost sold out
High repeat customers
Almost sold out
€72.26
4.23
94 sold
Industrial Multi-layer Lamp Signal Tower Alarm caution light for machinery LTA-2
€121.92
4.66
Almost sold out
High repeat customers
Almost sold out
€36.13
4.67
870 sold
€78.27
4.94
Verified by Kraford
€38.53
4.94
Verified by Kraford
€25.30
4.15
Almost sold out
High repeat customers
Almost sold out
Digital IC Tester Integrated Circuit Measuring-Testing Instrument YBD-868 Y
€361.26
4.96
Verified by Kraford
€36.13
4.08
Verified by Kraford
Dust and Moisture Resistant Signal Tower Lights for Industrial Applications
€34.93
4.19
Verified by Kraford
€32.50
4.98
Almost sold out
High repeat customers
Almost sold out
HTD5M Timing Belt Pulley 12T~40T Bore 5mm~25mm AF Type Belt Width 16mm For CNC
€28.90
4.63
Verified by Kraford
€153.54
4.43
Almost sold out
High repeat customers
Almost sold out
Module 1/1.5 45 Steel Straight Pinion Gear Rack for Motor RC CNC 500/1000/1500mm
€71.06
4.26
Verified by Kraford
Industrial Stack Lights Column Lamp Rotatable Base 220V LED Signal Tower
€36.13
4.19
Verified by Kraford
Dust and Moisture Resistant Signal Tower Lights for Industrial Applications
€28.90
4.24
444 sold
€136.98
4.51
Almost sold out
High repeat customers
Almost sold out
€349.98
4.88
885 sold
€139.23
4.31
Almost sold out
High repeat customers
Almost sold out
Foldable Bracket Base Led Signal Tower Column Lamp for Easy Installation
€52.98
4.33
Almost sold out
High repeat customers
Almost sold out
€36.13
4.03
Almost sold out
High repeat customers
Almost sold out
1PC Signal Tower Lamp Warning Stack Light Bracket Industrial Red Green Yellow
€39.74
4.63
Verified by Kraford
Dustproof and Waterproof Signal Tower Lights for Industrial Applications
€32.50
4.33
862 sold
€46.94
4.57
Almost sold out
High repeat customers
Almost sold out
Foldable Multilayer LED Alarm Light Signal Tower Light Machine Tool Light Green
€38.53
4.18
Almost sold out
High repeat customers
Almost sold out
€114.40
4.99
Verified by Kraford
1/150 Tower Signal Tower High Voltage Electric Tower Scene Plastic Model Toy
€81.89
4.85
944 sold
NEW CNC LED Tri-Color Warning Lights Equipment Tower Light Signal Light 24V 220V
€119.66
4.52
Verified by Kraford
€39.74
4.01
Almost sold out
High repeat customers
Almost sold out
Digital IC Tester Integrated Circuit Desktop IC Chip Component Checking Machine
€346.98
4.48
Verified by Kraford
Dust and Moisture Resistant Signal Tower Lights for Industrial Applications
€28.90
4.23
566 sold
€36.13
4.49
Almost sold out
High repeat customers
Almost sold out
GEYA Omron Relay Module for PLC 4 Channel 12V 24V AC/DC 1NO1NC Pluggale Relay
€57.81
4.88
824 sold
€140.00
4.68
Verified by Kraford
€38.53
4.43
961 sold
GEYA Omron Relay Module for PLC 16 Channel 12V 24V AC/DC 1NO1NC Pluggale Relay
€142.24
4.82
636 sold
€43.36
4.77
Verified by Kraford
NEMA23 NEMA34 2-Phase Closed loop Hybrid Servo Motor Drive CNC Controller Kit
€115.15
4.88
Verified by Kraford
€126.45
4.23
307 sold
€43.36
4.99
650 sold
€32.50
4.72
Verified by Kraford
€43.36
4.39
941 sold
€43.36
4.48
Verified by Kraford
€28.90
4.72
487 sold
DC12V 2rpm~375rpm JGY370 Gear Motor All Metal Turbo Worm Gearbox Speed Reduction
€65.02
4.19
472 sold
€72.26
4.04
128 sold
€36.13
4.22
61 sold
TYC-50 Synchronous Motor AC110V 0.8-1RPM 10-12RPM 20-24RPM 60-70RPM 30-36RPM Lot
€20.48
4.61
Almost sold out
High repeat customers
Almost sold out
DC12V 24V 5840-31ZY Turbo Worm Gear Motor Dual Shaft Large Torque Metal Gearbox
€63.82
4.59
Verified by Kraford
€65.02
4.31
Verified by Kraford
1pcs TT motor Geared DC motor Single axis Double axis 1: 48 1: 120 optional
€21.68
4.1
Almost sold out
High repeat customers
Almost sold out
FF-180PH/180SH Motor DC 3V 6V 9V 21800RPM High Speed Metal Brush DIY Shaver
€5.42
4.94
Verified by Kraford
€63.82
4.72
Almost sold out
High repeat customers
Almost sold out
€24.08
4.98
Almost sold out
High repeat customers
Almost sold out
1pcs DC3V 6V 12V 14GA-N20 Mini Gear Motor with Metal Gearbox Metal Gear
€28.90
5
Verified by Kraford
DC Gear Motor Micro CW CCW Permanent Magnet Sport Control 24V XD‑25GA370
€43.36
4
Verified by Kraford
€282.24
4.76
Almost sold out
High repeat customers
Almost sold out
€86.70
4.36
Almost sold out
High repeat customers
Almost sold out
€27.71
4.59
505 sold
€57.81
4.16
764 sold
€57.81
5
Almost sold out
High repeat customers
Almost sold out
€85.50
4.08
Verified by Kraford
1pc 12V RS550 Motors Gearbox With High Torque DC Motor For Kids Ride-On Toys Car
€36.13
4.52
460 sold
€63.82
4.31
Almost sold out
High repeat customers
Almost sold out
€72.26
4.71
Almost sold out
High repeat customers
Almost sold out
€28.90
4.4
Almost sold out
High repeat customers
Almost sold out
€72.26
4.57
Almost sold out
High repeat customers
Almost sold out
€28.90
4
Almost sold out
High repeat customers
Almost sold out
€21.68
4.02
309 sold
€52.98
5
Almost sold out
High repeat customers
Almost sold out
NEW XD-3420 12V/24V 30W Permanent Magnet Motor Variation Shaft 3500RPM 7000RPM
€50.58
4.8
Almost sold out
High repeat customers
Almost sold out
€67.44
4.29
Almost sold out
High repeat customers
Almost sold out
DC 6-12-24V Reduction Worm Geared Motor 1RPM 2RPM 100RPM 200RPM Reducer
€36.13
4.68
Almost sold out
High repeat customers
Almost sold out
€24.08
4.38
Almost sold out
High repeat customers
Almost sold out
12V DC Micro N20 Worm Gear Motor Full Metal Gearbox Large Torque Motor DIY Robot
€57.81
4.71
Verified by Kraford
500w DC Spindle KIT ER16 CNC High Speed Spindle Motor for DIY CNC 48VDC 12000rpm
€63.82
4.84
Almost sold out
High repeat customers
Almost sold out
SE5 Single Worm With Hydraulic Motor 24V DC Motor Slewing Drive For Seguidor Sol
€629.22
4.49
Verified by Kraford
Ultrashort motor High-torque worm gear motor DC motor 4058GW 12V 24V
€67.44
4.39
143 sold
€24.08
4.97
Almost sold out
High repeat customers
Almost sold out
€72.26
4.46
747 sold
1x DC12V 24V Mini Speed Reduction Motor JGB37-3530 Metal Gear High Torque Motor
€27.71
4.94
Almost sold out
High repeat customers
Almost sold out
€155.79
4.07
Verified by Kraford
€72.26
4.09
Almost sold out
High repeat customers
Almost sold out
AC110V 220V 6W 50KTYZ Permanent Magnet Synchronous CW/CCW Motor 1-110RPM/Min
€31.31
4.38
Verified by Kraford
€28.90
4.07
92 sold
€732.66
4.19
716 sold
€747.60
4.55