Get smooth and consistent finishes on fiberglass, composites, wood and aluminum, even in micro-finishing applications, with an A290 fine grit paper H&L disc on your sander or grinder. This long-lasting disc features a P-graded aluminum-oxide abrasive to deliver a fast, reliable cut rate, and its open coat design and water-based stearate, No-Fil coating minimize loading so your finishes are consistently impressive. With convenient hook and loop mounting and flexible, fiber-reinforced C-weight, latex-saturated backing, this fine grit paper H&L disc offers superior durability and performance at an excellent value.