Features: This automatic grinder comes with grinding wheels and cleaning cloths for versatile applications, featuring 70mm wheel size and stainless steel construction for demanding grinding projects. Engineered with forward/reverse switching capability, this grinder allows precise control for different grinding tasks through adjustable rotation direction. Delivers smooth speed adjustment from 12-24V output, providing flexibility for various materials and detailed grinding requirements. The 100W copper wound motor delivers consistent power for intensive grinding jobs while maintaining efficiency at 110V input. Made entirely from rust resistant stainless steel, this bench grinder ensures stability even in challenging workshop conditions. Always use protective gear when operating. Specifications: Product name: Small grinder Output potential: 12-24V Component: stainless steel Rotation direction: forward and reverse switching Grinding wheel size: 70mm Motor power: 100W Size:Approx.17.5x10.2x11cm/6.89x4.04x4.33inch Package Includes: 1 Set Electric Polisher note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.