Compliment your tool collection with the 3 PC. 6" Buffing and Polishing Wheel Set. These buffing wheels can be used for multiple stages of the buffing process and can be used on a variety of metals and plastic. These wheels are compatible with bench grinders that have a 3/8" - 1/2" arbor shaft. For best results use with the RYOBI Metal Cleaning Compound Set. This set includes (1) 6" Sisal Buffing Wheel, (1) 6" Denim Buffing Wheel and (1) 6" Cushion Sewn.