Set of 5 stepper motor Nema 17 for 3D printer same specs 

Electrical Specification:
Motor Type: Bipolar Stepper
Step Angle: 1.8 deg.
Holding Torque: 40N. cm (55oz. in)
Phase Resistance: 1.5Ohm±10%
Insulation Resistance: 100MΩ¸ Min, 500VDC
Insulation Strength: 500VAC for one minute

Physical Specification:
Frame Size: 42 x 42mm (1.7 inch x 1.7 inch)
Shaft Diameter: 5mm
Number of Wire Leads: 4
Wire Length: 400mm
Weight: 280g
condition 8/10
Temperature rise: 80deg Max(rated current, 2 phase on)