... , 57mm stepping motor Available NEMA 08, 11, 14, 15, 17, 23, 24, 34 and 42 and motor driver Step Angle: 1 ... .8 or 0.9 Deg Nema 23 Stepper MotorFrame size 57mmwith length 41 to 76mm, CE ... -high quality products, the most cost-effective from China Nema 23 stepping Motor, 57mm step motor, 1.8 or 0.9 ...