Features: 1. Small footprint, large capacity, simple operation. 2. It has high frequency vibration rate and regular movement in all directions. 3. Strong cutting force and uniform grinding force. 4. Suitable for large workpieces, such as long-axis or disc-shaped workpieces. 5. Dust and sound isolation cover can easily create a clean and safe working space. Usage: Suitable for door accessories, bathroom equipment, hardware parts, table knives, hand tools, bearing parts, bicycle parts, bicycle frames, motorcycle parts, auto parts, notebook computers, PDAs and other alloy shell plastic injection or molding work and other accessories.