... . Ergonomic design2. Excellent durability3. 0~35, 000rpm High-powered Brushless motor, stable4. Speed can be adjusted by the buton on the ... Circuit overload protection. 10. Application for grinding, polishing, milling of precious metals, ceramics, acrylics, and steel.Specifications1. Maximum speed ... 240 gcm3. Power 35 w4. Foot control on - off5. Dimensions 112w x 147 d x 78 h mm6. Controller weight ...