The ProSand A975 fine grit paper H&L vacuum disc is designed for sanding soft materials. It features a flexible B-weight latex-saturated backing and a P-graded seeded-gel ceramic alumina abrasive that ensures fast cuts and longevity. With a water-based, non-pigmented No-Fil coating to minimize loading and vacuum holes to remove dust, it's perfect for specialized tasks on soft metals and composites.