1. Easy To Grip: The polishing tool is lightweight, with better polishing and smoothing effects, comfortable grip, larger contact area, and a handle. 2. Features: The manual sand block can flexibly adjust the size of the flat and concave surfaces, and is designed with a rotating handle and a groove on the back. 3. Material: The dry wall manual sander is made of light polyurethane foam, which can improve the working efficiency of relevant workers. 4. Grinding: 70mm mesh sand or two 70x198 dry sanding papers can be used. 5. Widely Used: Manual sanding machines are widely used in woodworking polishing, car waxing, wall polishing, rust removal, and paint removal. Specification Material: ABS Color: Yellow Size: 40 x 7 x 7 cm Weight: 535 g Package Include: 1x Adjustable Hand Grinding Plate