About This Product 7-Speed ​​Adjustable – This mini belt sander features a 7-speed adjustable speed. You can adjust the speed as needed to ensure it meets different work requirements. Multi-functional – This electric belt sander offers multiple functions, such as wheel sanding, cloth wheel sanding, and disc sanding. Equipped with polishing wheels on both sides, it effectively sands a variety of materials including metal, wood, jewelry, plastic resin, and knives, making it ideal for home or workplace use. Powerful Motor – The all-copper motor delivers high torque, powerful performance, and low noise. It reaches speeds of 4000 to 9000 RPM, handling a wide range of needs including metal, jewelry, plastic resin, and knives. Rugged Construction – The mini belt sander's overall structure is made of heavy-duty stainless steel, with four shock-absorbing rubber feet on the bottom, making it ideal for use in various environments. Suitable for both indoor and outdoor use. The sanding belt is flat, does not easily slip off, and is more durable. Package contents: 1 belt sander, 1 power adapter, 1 grinding wheel, 1 polishing wheel, 1 polishing disc, 1 motor cover, 3 wrenches, 2 screws, 20 sheets of polishing paper, 10 sanding belts (33×3 cm/13×1.18 inch), 2 springs (1 already installed on the machine), 1 instruction manual.