Series 7990 SIA sponge Combi-Block Hard Abrasive, PUR Backing, Aluminum Oxide Grit, Coated 4 Sides, Med Grade, 2-3/4" W, 3-3/4" L, 1" Thick (Pack of 10).

Surfaces can be treated quickly and easily with the 7990 sponge block. This handy sanding block is ready to use at any time and achieves excellent results on wood, plastics, paints, lacquers and also on composites due to its high edge stability.