characteristic: Hook surface- hooks are evenly arranged, with high density and good viscosity. Ergonomically designed handle, made of rubber material, feels comfortable. The front side is a sticky tray, which can be used to paste various back velvet polishing products, such as flocking sandpaper, flocking scouring pad, flocking sponge sandpaper, etc. Made of and medium-hardness High-quality materials, during use, you can apply pressure to the surface of the object without rushing to fatigue Very suitable for woodworking, hobbies, arts and handicrafts, car bodies, gypsum board, shops, and automobiles. describe Name: Manual grinding disc Material: PU colour: Black Package Contents: 1 x Manual grinding disc Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.