ukuran detail ada pada gambar terakhir Type 57HS8430A4 D8(nema 23) step Angle: 1.8 Derajat Rated Current : 3A Phase Resistance: 1.2 Ohm Phase Inductance: 3.6 mH Holding Torque: 2.2 N.m Detent Torque: 6 N. cm Rotor Inertia 620 (g.cm2) Motor Lenth (46.4x46.4x 84)mm Shaft diameter 8mm Operasional Voltage 24v 4 wire Black A+ Green A- Red B+ Blue B - http://wwwsumtoreleccom/productasp?plt=10