This is a simple, but very powerful stepper motor with a 4-wire cable attached.
Features:
Step Angle (degrees) :1.8
2 Phase
Rated Voltage : 12V
Rated Current : 0.33A
Holding Torque : 2.3kg*cm
5mm Diameter Drive Shaft
Winding resistance: 32.6 Ω
Winding inductance: 48 mH
Max flux linkage: 1.8 Vs
Maximum Detent Torque: 0.016 N.M
Total inertia (kg.m.m): 3.5 Kg.m.m
Total friction (kg.m/s): 4 Kg.m/s
