This interior paint sanding kit is designed for sanding and feathering drywall joint compounds, plaster and spackling to prepare wall surfaces for paintings. These kits contain everything you need to repair or prepare a variety of surfaces before applying your finishes. The ergonomic block provides maximum control and comfort, while the quick change hook and loop holding systems make changing sheets fast and easy. Features: Kit contains assorted grits of refill sheets that will take your project from start to finish Tool is made with a high density foam which provides a cushioned sanding surface, helping to ease the fatigue that comes with hand sanding Extra flexible for sanding irregular shapes, contours and corners Perfect for use on wood, metal, fiberglass and painted surfaces Hook and loop backing makes changing sanding sheets quick and easy Resin bonding locks the grain to the paper for longer life Anti-clog stearate coating reduces particle build-up, keeping the grain exposed longer and improving performance Made with premium P-grade aluminum oxide grain, which creates a consistent scratch pattern and helps create a finer final finish Aluminum oxide is a durable grain that is recommended by professionals for general sanding a wide variety of surfaces Heavy-duty latex backing is durable and flexible for improved hand sanding on irregular surfaces 1 sanding tool and 12 sanding sheets Hand/block sanding Wood, metal, fiberglass, plastic, painted surfaces For the best sanding results, sand with the grain For the best final sanding results, work through a sequence of grits, from coarse to very fine, skipping no more than one grit between each sanding step Package contains: (4)80, (4)120, (4)180 grit assorted 1 plus 12 pack