• Nema17 Bipolar.• Number of Phase: 2.• Step Angle: 1.8°.• Phase Voltage: 2.6Vdc.• Phase Current: 1.7A..• Holding Torque: 43Ncm.• Shaft Diameter: Ø5mm.• Motor Length: 40mm.• Rotor Inertia: 54gcm2.• Temperature rise: 80°C Max.• Insulation Class: B.• Dielectric Strength: 500VAC/1-minute.• Mass: 280g.