This Diamond Coated Cut-off Disc Is Great For Cutting Metal. This Is A Very Popular Item With Jewelers. This Disc Includes A 1/8" Shank. You Will Get Great Results Everytime When You Have The Right Tool For The Job.* Daimond Particles Of Both Side Of The Disc * Approx. Size: 50 Mm (2") * Includes A Mandral With A 1/8" Shank * Professional Quality