feature:1. Use: Grinding irregular planes such as concave and convex grooves, curved surfaces, planes, step faces, inner holes, etc. It can be used for polishing and polishing of woodwork, automobile, metal, paint surface, etc.2. The chassis has a variety of shapes, which are common chamfers, inner and outer arcs, grooves, and flat polished chassis.3. With self-adhesive backing sandpaper roll, the workmanship is more refined.4. The appropriate sanding block makes it more efficient to save time and effort.colour: yellow + blackMaterial: Sponge + fibersize: 40x100mmPackage Contents:16 x Sanding padOnly the above package content, other products are not included.Note: Light 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.