[Assorted Grit Sanding Blocks]: 10 pcs of 4 grades sanding sponges from coarse to superfine specifications assortment in 60/80/120/180/220 grit, each grit has 2 pcs, and single angle sanding sponge has 2 pcs in 180 grit. You can cut it into appropriate sizes for your needs. | [No Clog Sanding Sponge]：High-density sponge is very elastic, flexible, and durable without tearing. The resilience of the sanding block is excellent, plasticity is strong, and it is not easy to tear. The surface is not crack, and sand will not fall off. | [Washable and Reusable Sandpaper Block]: Wet dry sanding sponges reduce flushing and increase work efficiency due to their water storage function. Can be used directly or wet on the surface of the object for polishing. | [Widely Use＆Easy to identify]：Work great for woodworking, furniture polishing, metal dedusting, primer polishing, drywall, wood filler，and other polishing. You can easily identify both side from coarse, medium, fine, superfine. Perfect for you if you are doing projects that require multiple grits. Ideal for flat, edged & contoured surface. | Improved Grip and Control: Sanding block provides a comfortable grip, making it easier to control the sanding process and reduce hand fatigue. Using the blocks helps avoid finger marks and indentations that can be left by direct hand sanding