Premium european high density foam - robust and durable foam sanding blocks for hand sanding with 3 different grit includes: 80, 120, 220. Coarse, Medium, Fine. Sanding sponge Size: 4 x 2.8 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. The smaller number means the coarser grit and the higher efficiency of polishing, but the rough the grinding effect, you can first choose the small number ones for roughing and then choose the larger number ones for fine processing.
Washable and reusable waterproof Sand paper - sanding block, can be used directly in water.Multi-purpose sanding blocks for wood painting, metal working, drywall repair or preparation, scrubbing pots and pans
The sanding sponge using high density sponges as base material, made from high-quality brown corundum with special treatment and special glue formula. Aluminium Oxide Abrasives which can used for both we and dry application.