metal gear reducer speed-up box accelerator is designed to provide stable and reliable torque output for various industrial and mechanical applications. Its robust metal construction ensures long service life and consistent performance under heavy load conditions. This accelerator reducer combines large torque transmission with a speed-up box design, allowing efficient power transfer from the motor to the driven equipment. It is ideal for situations where high output torque and precise speed adjustment are required. Color: Silver Material: Metal Package Contents: 1*Gearbox with crank Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.