Big Mini Scratch Erasers - 3/4" - 5 pc. Set Machine Tumbler They are available with both

They are available with both a 3/4" and a 1" arbor hole

Color: Black/Silver

Design: "S" shape design with dual clips for versatile attachment options

For applications that demand heavy grinding power

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

Big Mini Scratch Erasers - 3/4" - 5 pc. Set Machine Tumbler They are available with bothThese 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)