Great for general purpose sanding on a wide variety of materials including wood, paint, metal, fiberglass, and plastic Fine grits are best for light stock removal and bare wood sanding and surface preparation and light paint scuffing before painting interior surfaces Sheets can be cut-to-fit 1/2 sheet, 1/3 sheet, or ¼ sheet sanders Resin bonding locks the grain to the paper for longer sanding life Heavy duty paper backing is durable enough for both hand and power sanding