Powerful motor for versatile sharpening The belt knife sharpener features a powerful motor with a no load speed of 40009000 RPM, capable of grinding metal, knife making, wood, acrylic and other materials. 7 speed settings for precise control Equipped with seven speed levels, you can select the speed that suits the task and material. Adjustable belt tension and tilting worktop The worktop angle can be adjusted up to 45 degrees for beveling and easy operation. The belt tension and vertical alignment can be adjusted to ensure proper tracking and performance. Easy to install and operate Designed for home DIY enthusiasts, this compact electric belt sander is easy to install and carry. Its low noise operation creates a quiet working environment. Wide material compatibility Suitable for grinding or sanding metal, knife making, wood, acrylic, stone, brass, aluminum, leather, plastic and other materials. Practical use scenarios Sharpening knives and blades to improve edge quality Deburring, beveling, and shaping metal or plastic parts for hobby projects Small scale sanding and edge finishing for wood handles, crafts, or model parts