Features 1、The stepper motor uses advanced technology to reduce noise and can bring you a comfortable feeling. 2、This product has been updated, reduced automatic errors caused by the use of reduction gears and improved the accuracy. 3、This product uses alloy material, sturdy structure, extremely long life and high quality materials. 4、Stepper motor is used in 3D printer, and there are two models stepper motors for you to choose. 5、42‑34 motor is adapted to for CR‑10 series Z axis/Ender‑3 XYZ axis, and 42‑40 motor is adapted to for CR‑10 series XYE axis/Ender‑3 E axis. Specification Item Type: 3D Print Stepper Motor 42-34 Motor: Stepper Motor 2 Phase 0.8A Rated Power: 0.05KW Rated Voltage: 6.7V Rated Speed: 500rpm Adapt to for CR-10 series Z axis/Ender-3 XYZ axis 42-40 Motor: Stepper Motor 2 Phase 1.0A Rated Power: 0.05KW Rated Voltage: 6.7V Rated Speed: 500rpm Adapt to for CR-10 series XYE axis/Ender-3 E axis Package List 1 x Motor