The A290 fine grit paper H&L disc is perfect for achieving smooth finishes on fiberglass, composites, wood, and aluminum, even in micro-finishing tasks. Made with a P-graded aluminum-oxide abrasive, this long-lasting disc offers a fast cut rate. Its open coat design and No-Fil coating reduce loading, ensuring consistent quality. Featuring convenient hook and loop mounting and durable, fiber-reinforced backing, it combines superior performance with excellent value.