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-Fil 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.