Abrasive coated semi-flexible sponge, coated on all four surfaces. Suitable for sanding 90? contoured surfaces. | | Features and Benefits | ? Washable and reusable dual-grit sponges | ? Hand Sanding & Finishing | ? Easy & Comfortable to Hold When Sanding | ? Robust Foam Block | ? Long Life | | Typical Applications | ? For Use on Wood, Plaster, Metal & Paint | | | | | |