Features:

1. High Quality NEMA 17 Stepper Motor Designed for 3D Printing 
2. Only Requires 1.2A For Cooler Operation Extremely Tight Tolerance Improves Accuracy and Consistency of Prints Great for X, Y and Z Axis Movement and Extruders Powering with >12v Power Supplies Increases Torque!
3. Custom Winding.
4. This little powerhouse is the heart of our direct drive MBE extruder.
5. It makes an amazing 4.5kg*cm of torque at a low 1.2A, so its perfect for Pololu stepper drivers and will run a bit cooler than some of the other popular motors that use 1.5A.

Specifications:

1. Motor Length 40mm
2. Holding Torque: 4.5kg*cm
3. Rated Voltage: 7.2v
4. Step Angle: 1.8 Degrees
5. Resistance Per Phase 6Ohm
6. Inductance Per Phase 13mh
7. Current Per Phase 1.2A
8. Shaft Diameter: 5mm
9. 4-Wire Red|Blue / Green|Black 
10. Cable: 720mm