The AI-M-42SA is a compact 42mm × 42mm 2-phase stepper motor with closed-loop control and a 1.8/0.9-degree step angle. It provides 10000 PPR resolution, A, B, Z, A/, B/, & Z/ outputs, and a 2.55 Kgf.cm holding torque. It pairs with AiS-D-42SA & AiC-D-42SA drives.