Machifit ER11 500W Spindle Motor with 52mm Clamp and Speed Governor + 15pcs ER11 1-7mm Spring Collet Set
300N/600N/1100N/1500N Linear Actuator Micro Electric Motor for Auto Door Window
500W Spindle Motor + 110V/220V Speed Governor + 7Pcs ER11 Spring Collets + Clamp