Great for cleaning and light sanding. The 512E 320 grit abrasive buff is ideal for use on metal, glass, wood, aluminum and plastics and can easily remove tarnish from brass. Designed for use with the EZ402 EZ lock mandrel or standard 402 mandrel. Ideal for cleaning, light sanding and tarnish removalUse for car detailing and restoring door and window hardwareEZ lock design allows these buffs to be used on any Dremel rotary tool320 grit1 in. diameterFirst patented system of its kind.Light sanding and tarnish removal also great for car detailing and restoring door and window hardware.Compatible with all Dremel rotary tools.