Norton H&L Sanding Discs. 220 Grit. Get smooth and consistent finishes on fiberglass, composites, wood and aluminum, even in micro-finishing applications. 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. Offers superior durability and performance at an excellent value, promotes optimal dust collection and more.