This model is dual shaft Nema 17 Bipolar stepper motor,it with step angle 1.8deg and size 42x42x60mm. It has 4 wires, each phase draws 2.10A at 3.36V, with holding torque 65Ncm (92.3oz.in).
This bipolar Nema 17 stepper motor with step angle 1.8deg and size 42x42x67 mm. It has 4 wires, each phase draws 2.3 A, with holding torque 79 Ncm (111.896 oz.in).
Manufacturer Part Number: 17HS26-..