Get smooth and consistent finishes on fiberglass, composites, wood and aluminum, even in micro-finishing applications, with an A290 fine grit paper hook-and-loop 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 hook-and-loop disc offers superior durability and performance at an excellent value.