Check the listing for details. 80 180 320 Grit 6" Flap Wheel Set | Abrasive Sanding Drum Buffing Bench Grinder. Condition: New. Listed at 75.00 USD. Includes(1) 6" 80 Grit Flap Wheel (mounts on bench grinder)(1) 6" 180 Grit Flap Wheel (mounts on bench grinder)(1) 6" 320 Grit Flap Wheel (mounts on bench grinder)What Do They Do?Blends in scratches and scrapesSands away casting texture and markingsAlso great for paint preparationBest for aluminum, but can be used on steel, stainless steel, magnesium, and brass with great results tooHow Do They Work?When mounted on a bench grinder or buffing machine, these wheels effectively sands away metal. Whether you're looking to remove scratches or the texture on a cast part, these are the wheels that will get the job done. These wheels have fiber pad in between flaps of sandpaper for smooth and effective action. Use 80 grit for blending in deep scratches and removal of casting texture on steel and stainless steel.Use 180 grit for blending in deep scratches and removal of casting texture on aluminum and soft metals. Works well for light scratches on steels.Use 320 grit as a finishing wheel.Available for machines with a 1/2" (12.7mm), 5/8" (16mm), and 3/4" (19mm) shaft size. Please measure your buffer shaft size before ordering.SpecsMounts on a bench grinder / buffing machine6" diameter1" wideMax RPM: 3600 Why buy from Pryme?We stock every item in house, and it's ready to ship today. No backorders, no drop shipping, and no hassle. We understand how important it is to receive orders in a timely and accurate manner. Pryme is 100% American owned and employs hard working Americans.