NEMA23 Two-phase Stepper Motor 76mm 1.8Nm1.8 Degree 3A shaft 6.35mm High Torque Single and Double Shaft High Performance Motor
https://www.vogueparade.com/shopping/EN/5/3/1005003746359648/nema23-two-phase-stepper-motor-76mm-18nm18-degree-3a-shaft-635mm-high-torque-single-and-double-shaft-high-performance-motor//