Item Name: NEMA 23 Stepper Motor with Driver Kit PFDE Motor Specification: 2 Phase, Step Angle 1.8, NEMA 23 (57 x 57 mm) PCs in Item: 1 Set: Stepper Motor Driver Manufacturer: GuangDong, China Notes: This is new combination based on feedback from multiple users. Upgraded DM542S to DM542 (Higher accuracy) Model Step Angle Holding Torque Phase current Length Shaft Length Shaft Diameter 57BYG250B 1.8 1.2N.m 3A 56mm 21mm 8 mm 57BYG250C 1.8 1.8N.m 3A 76mm 21mm 8 mm 57HS22 1.8 2.3N.m 3A 82mm 21mm 8 mm 57BYG250D 1.8 2.5N.m 3A 100mm 21mm 8 mm 57BYG250H 1.8 2.8N.m 3A 112mm 21mm 8 mm
