KLINGSPOR 365245 - PS 33 BK Hook & Loop Sanding Disc, 5-Inch, 8-Hole, P400 Grit (5 pk)The KLINGSPOR 365245 (PS 33 BK) is a world class semi open coated abrasive disc designed for high performance sanding on paint, varnish, filler, and wood. Engineered with a premium heat tempered aluminum oxide grain and a specialized stearate coating, this disc significantly reduces clogging and loading, ensuring an extended service life and consistent surface finish. The 8 hole GLS5 pattern provides optimal dust extraction when used with compatible