Introducing the 8 Inch Buffing Wheel 5/8 Arbor Combo Set by POWERTEC. A vital component to most buffing applications, these polishing wheels are terrific for delivering a smooth and burnish finish to your hardwood, steel and other metals. It features an assorted 2-piece set of extra-thick (42 and 70 ply) wheels spirally sewn together for controlled hardness of buff and balanced distribution pressure. The high quality composition gives you greater wear resistance and reliability for professional looking polishing and buff work. These buffing wheel tools are excellent for carrying compounds and distributing equal parts. The fine-to-medium grit range delivers optimal project versatility - including automotive trimming, metal cutting, jewelry polishing, and post sanding applications. They can even give your knife blades a final buff finish with exceptional luster. Suitable Material Aluminum Brass Bronze Cast Iron Chrome Hard Wood Stone Stainless Steel Easy-To-Use The wheel faces are primed for immediate compound acceptance. They have a 5/8” arbor hole suitable for most standard sized bench buffers, grinders and polishing machines. Please Note: Due to the fine cotton construction of the white wheel, you may experience tiny flying fibre during your first usage. *For Optimal Compatibility See the POWERTEC BG800 Bench Grinder Machine Specifications Diameter: 8" Arbor Hole: 5/8" Yellow Polishing Wheel: 42 Ply Medium Grit White Polishing Wheel: 70 ply, Cotton Material, Fine Grit