DESCRIPTION: Dewalt high performance stainless steel cutting and grinding disc use with angle grinders have a high performance aluminum oxide grain for long life and high rate of material removal. They have a high grain concentration for aggressive material removal in stainless steel and other high strength alloys. High performance aluminum oxide grain for long life and high material removal. High grain concentration aggressive and smooth grinding. Proprietary material mix durable long life wheels. 3 full sheets of fibreglass increased durability. SPECIFICATION: GRIT: P30, DIAMETER (MILLIMETER): 115mm, BORE DIAMETER: 22.3mm, THICKNESS (MILLIMETERS): 3mm, DISC TYPE: Type 27, HARDNESS: R-Hard, ABRASIVE BONDING MATERIAL: Resinoid reinforced, APPLICATION: Stainless Steel, Metal Tube, Steel/Metal Iron.