JEWELRY HART 90 DEG SET, 12 BURS, .8 TO 2.3 MM, JEWELERS QUALITY, GERMAN MADE
HART BURS ARE COMMONLY USED AS STONE SETTING BURS, CUTTING OF SEATS AND CHANNELING. JEWELRY HART 90 DEG BUR SET (ALSO REFERRED TO AS BEARING CUTTERS). Key to Sizes: 008 =. 8 mm. Set includes plastic case.