CNCTOPBAOS 4Pcs Nema 23 Stepper Motor 425oz-in 112mm 2.8N.m 1.8deg Dual Shaft 57x57x112mm High Torque 57 Stepping Motor 3.0A 4 Lead Wire 23HS2430B for CNC Router Milling Engraving Machine - - Amazon.com
23HS8430 stepper motor
Amazon.com: RATTMMOTOR 4 Axis USB Mach3 CNC Controller Kit 57mm Dual Shaft Nema23 Stepper Motor & Bracket+CNC Motion Control Board Mach3 USB Card+TB6600 Stepper Motor Driver+350W 24V DC Switching Power Supply :