Mini Belt Sander 250W Knife Sharpener Electric Bench Grinder Sanding Machine 7 Adjustable Speed Buffer Polisher with 2Pcs Grinding Wheel for Metal Wood DIY Handcraft Tool & Knife Sharpening Features: 【Knives Sharpener】This 250W knife sharpener is designed for help you sharpening all types blades, even to make your own knives, such as making a wooden knife for cutting paper and food. 【Handcraft Machine】Multi-functional mini machine with two grinding wheels, one for fine sanding and one for coarse sanding to meet different sanding needs, perfect gift for craft lovers. 【Speed Adjustment】Turning the knob on the power adapter can achieve 7-speed switching, from the lowest to the highest speed switching is very convenient. 【Sturdy Body】The overall structure of the mini belt sander is made of metal casing with anti-vibration pads, tight and stable, perfect for use at home or outdoors. 【Powerful Motor】All copper motor, high torque, strong power and low noise. It can rotate up to 6000 rpm in one minute, which can be used for grinding metal, removing rust, burring and many other needs. Specifications: Plug: EU / US / UK (Optional) Material: Metal Motor Power: 250W Speed Control Mode: 7 speed control Motor Speed: 0-6000r/min Power Supply Current: 12-24V Voltage Digital Display Screen: No Grinding Wheel Diameter: 70mm / 2.75in Item Size: 160 * 165 * 105mm / 6.29 * 6.49 * 4.13in Package Weight: 2200g / 4.85lb Package Size: 23 * 21.5 * 19cm / 9.05 * 8.46 * 7.48in Package List: 1 * Sanding Machine 2 * Grinding Wheel 1 * Anti-Vibration Pads 1 * Power Cable 1 * AC Adapter 2 * Pack of Installation Accessories 1 * User Manual (English)