For use with the EZ402 EZ Lock mandrel or standard 402 mandrel. Great for cleaning and light sanding. Use on metal, glass, wood, aluminum and plastics. The 512E fine-grit buff is ideal for removing tarnish from brass. 1" Diameter EZ Lock Includes: 2 fine abrasive buffing wheels Perfect for removing tarnish from brass or use on metal, glass, wood, aluminum & plastics Compatible with both EZ402 EZ Lock mandrel and atandard 402 mandrel First patented system of its kind Light sanding and tarnish removal - also great for car detailing and restoring door & window hardware Compatible with all Dremel rotary tools Includes: 2 Fine 320 Grit buffs Do not run in excess of 15,000 RPM.