The 42mm NEMA 17 stepper motor motor is a very accurate motor that can be use if you need to move in the space with precision for your project like a 3D printer, CNC Machine or other.
 
 
Characteristics:
 
Dimensions: 38,7 x 41,8 x 41,9 mm
Model: 42HD4027-01
Name: Nema 17
Weight: 350 grammes
Holding Torque: 4000 N.m Min
Resolution:1,8°/ Step
Rated current: 1,7A
Voltage: 3,3V D.C
Connection: 6 pins
 
The package doesn't content the motor's cable.