Big Mini Scratch Erasers - 3/4" - 5 pc. Set Machine Tumbler RESIN BOND:-Â The resin bonded

RESIN BOND:-  The resin bonded diamond cutter cups provide better control and grind quickly

áSuitable for a variety of outdoor activities such as hiking

Removable Metal Reinforced Rubber Tip: Equipped with a removable metal reinforced rubber tip for enhanced traction and stability on various surfaces

The steel disc allows this unit to accept magnetic backed diamond accessories

áWith assorted designs available in the set

Big Mini Scratch Erasers - 3/4" - 5 pc. Set Machine Tumbler RESIN BOND:-Â The resin bondedThese 3M Scratch Erasers are the perfect balance between theMini 1 2"size and theChubby Scratch Erasers. They Remove Scratches (!) in hard to reach areas: inside larger rings, tubular items, and can also be used for bracelets and cuffs. The coarser grades are great for deburring and the finer grades are amazing for burnishing metal & leaving a pre polished look. Shank mandrel diameter is 3 32 (2. 38 mm). (Actual shank may look different than pictured)