3M Cubitron 741A Coated Ceramic Flap Wheel - X Weight - 2 in Face Width - 6 in Diameter - 1 in Center Hole - 81989 [PRICE is per WHEEL]3M Cubitron coated 741A flap wheel uses ceramic as the abrasive material and has a diameter of 6 in. 3M incorporates this ceramic material into the flap wheel forming a grit of 80. This abrasive is on a cloth backing, X weight. All abrasive products that rotate or spin, such as the ones in this category, have a maximum speed at which you can run them. This 3M flap wheel can be run at a maximum speed of 5200 RPMs. Sale Unit: WHEEL Brand: 3M Trade Name: