Achieve smooth and consistent finishes on fiberglass, composites, wood, and aluminum, even in micro-finishing applications, with the A290 fine grit paper H&L disc. This durable disc features P-graded aluminum oxide for fast cutting and an open-coat design with a No-Fil coating to reduce loading. With convenient hook-and-loop mounting and flexible, fiber-reinforced backing, it offers superior durability and performance at great value.