A290 medium grit paper H and L vacuum disc. Minimal loading due to the no-fill water-based stearate coating and open-coat design increase the life of the disc and P-graded aluminum oxide abrasive delivers a fast cut rate and consistent finishes. Maintain flexibility with the unique fiber-reinforced, C-weight, latex-saturated backing, which boosts tear strength while remaining flexible. Set up for dry sanding and finishing jobs quickly with the hook and loop back. Suitable for aluminum, fiberglass, composites and wood, this disc offers versatility and reliable performance.