. These abrasive sheets are the choice of professional woodworkers for sanding a wide variety of bare and unfinished goods.220 Grit Premium Woodworking Sandpaper 4-1/2" x 11" Sheet (2 Sheets), 2PK This material is an excellent substitute for garnet paper, and in most applications will outlast garnet. Manufactured from a unique Aluminum Oxide, which fractures into new, sharp edges as it wears.
.1500 Grit Silicon CarbideSandpaper 4-1/2" x 11" Sheet (20 Sheets), 20PK It is best for metals (particularly harder metals) and is the only grain that can be used on glass, stone and marble.
145 and ansi z535 requirements thick, rigid aluminum has the strength of metal without the rust printed surface has clear uv protective overcoat to withstand splashes, washdowns, and outdoor conditions, plus abrasion and chemical resistance rounded corners and 3/16 mounting holes for installation..