Featuring P-graded aluminum oxide that reliably delivers a fast cut rate and a consistent finish, this A290 medium grit paper PSA vacuum disc roll is ideal for practically all materials, including soft metals, drywall, fiberglass, carbon steels of all kinds, wood, super alloys and drywall. Latex-saturated C-weight backing is reinforced with fiber, keeping its flexibility while resisting tears. Water-based stearate No-Fil protects against loading, while vacuum holes suck away dust. The linked disc roll format and pressure sensitive adhesive allow easy application and removal.P-graded aluminum oxide abrasive provides increased life, fast cut rate, consistent finishWater-based stearate, no-fil coating, open coat and vacuum holes minimize loading and maximize dust collection and lifeUnique fiber reinforced, flexible C-weight latex saturated backing increases tear strength while retaining flexibilityGood choice and value for medium grit dry sanding and finishing all materials