Description features: 1. The back is designed with rotating handle+groove, which can flexibly adjust the size of curved surface, plane and concave surface. 2. It is very suitable for woodworking polishing, car waxing, wall polishing, rust removal and paint removal. 3. Set the angle shape you want, and then the long plate manual grinding block will maintain the angle shape during the whole grinding process. You will maintain the same contour during grinding, so as to achieve dust-free grinding. 4. The manual grinding file block is easy to grasp, and can even be controlled when grinding flat, narrow corners, contours and other inaccessible areas. 5. It can be used for polishing or polishing of paint workshops, detail workshops, woodworking and wooden furniture manufacturing, metal processing workshops, industrial stores and other household and handicraft projects. standard: Material: plastic Product color: yellow Product size: 70 x 400mm Product weight: 465g Package includes: 1 * Dry grinding push plate