Vevor Sanding Sponge 10-Pc Washable Reusable Sanding Blocks NewThis 10 piece sanding sponge set includes five grit levels from 60 to 220, with two blocks of each grit for coarse to fine sanding tasks. The blocks feature an aluminum oxide abrasive with a flexible sponge base for durable, reusable performance. They are suitable for both wet and dry sanding on wood, metal, plastic, furniture, and walls. The compact handheld size makes them easy to use on irregular shapes and curved surfaces.