FeaturesShaft match with 5mm pulleys. Comes with 70cm 4-Lead WireHYBRID STEPPING MOTOR 42SHD0217-24B Genaral specificationStep angel:1.8°Number of phase:2Insulation resistance:100MΩmin.(500V DC)Insulation class:Class BRotor inertia:57g.cm2Mass:0.24kgElectrical specificationRated voltage:3.75VRated current:1.5AResistence per phase:2.5Ω±10%Inductance per phase:50mH±20%Holding torque:500mN.mDetent torque:15mN.mPackage list1 x stepper motor Nema17 for 5mm pulleys