Forney Angle Grinder Back Flange is designed specifically as a backplate for Type 27 depressed center wheels, accommodating wheels that are 7 inches and larger. It mounts these wheels securely to a 5/8"-11 angle grinder shaft, ensuring compatibility and reliable performance. This back flange does not include an arbor, making it a or upgrade part for your angle grinder setup. The product is packaged individually, providing a convenient and straightforward solution for your grinding needs. Model Number: 72324