4-1/2 Inch in diameter with a 7/8-inch arbor hole Durable fiberglass backing Angled face (Type 29) for more aggressive grinding and faster material removal Max RPMs: 13,300 Pack of 10 flap discs

Arc Abrasives 71-10824AF Predator Type 29 Flap Discs are 4-1/2 Inch in diameter with a 7/8-inch arbor hole. They have a durable fiberglass backing and an angled face at a 10-degree angle to the abrasive surface. Working at the given 10-degree angle provides more leverage against the work piece, allowing more aggressive grinding and faster material removal. Max RPMs: 13,300. 40 Grit. Pack of 10 flap discs.