This item includes: 2 PCS Nema 34 Stepper Motor with Single shaft 1600oz-in holding torque, 1 PC Nema 42 Stepper Motor with Single shaft 3256oz-in Holding torque, 2 PCS Stepper Driver DQ860MA with 7.8A replacing MD882, 1 PC Stepper Driver DQ2272 With 8.0A Peak current,7.0A rated current, 110-220VAC, 200 Microstep, 2 PCS Power Supply for 350W,60VDC,5.9A, 1 PC Breakout Board, 1 PC DB25 Cable