Sanding SpongeCoarseMediumFineSuperfine 8PCS 4 Different Specifications Sanding Blocks AssortmentWashable and Reusable 8 PCS

8PCS 4 different grit includes 60 80 120 220 Coarse Medium Fine and Superfine 2PCSGrit Sanding sponge Size 4 x 28 x 1 inch Grit printed on the sanding sponge easy to distinguish and use no need to put all the sand blocks together to compare at a glance Washable and reusable can be used directly in water The sanding sponge using high density sponges as base material made from highquality brown corundum with special treatment and special glue formula Suitable for grinding any irregular geometric curved surface wet or dry portable and handy