The ProSand A975 medium grit paper H&L vacuum disc features a flexible, fiber-reinforced, latex-saturated backing that enhances tear strength by 50 to 60 percent. Its P-graded seeded-gel ceramic alumina abrasive ensures quick cuts and durability. With a water-based stearate coating for dust extraction and minimal loading, this disc is perfect for finishing and sanding using random orbital sanders and right angle grinders.