Strip paint, sand, blend or finish surfaces with this A290 fine grit paper PSA disc roll for your sander or grinder. Its P graded aluminum oxide abrasive surface extends the life of the grit and produces a fast cut rate and a uniform, consistent finish. This roll's unique, fiber reinforced C weight saturated backing improves flexibility and strengthens the piece to prevent tearing while in use. A water based stearate, proprietary No-Fill coating and open coat minimize loading and heat. Use this paper PSA grit roll for fine grit dry sanding, finishing and micro finishing hard and soft wood surfaces and most metals.