... Step Angle: 1.8 or 0.9 Deg Nema 23 Stepper MotorFrame size 57mm Model No.Rated VoltageCurrent /PhaseResistance /PhaseInductance /PhaseHolding ... .minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); SM57HT76-2804A Nema 23 stepper Motor, with size 57mm, 2.8A, 4 leads, 18.9kg ...