CNC 300W ER11 spindle motor Kit + Power supply + 52mm Clamp + speed controller. Input voltage: AC 110V/220V. Working voltage: DC 12-48V. Insulation resistance: >2 megohms. Total length of motor: 175MM. Motor weight: 0.785KG. Spindle radial: 0.01-0.02MM. 1 x spindle motor (with ER11 chuck). 1 x set of motor fixture. 1 x speed controller. 1 x power supply. Thank you for your support. We stand behind every product we sell. However, we will try our best to minimize it. You can enjoy top-quality product and high-quality services from us, Trust me that you will have a pleasant shopping experience in here. Easy & Secure Payments.