6 POPULAR JEWELERS BUR SETS: STONE SETTING, HART, CYLINDER, WHEEL, ROUND, CUP
Set 3: CYLINDER SQUARE BURS (CROSSCUT) FIG 21. Set 2: HART 90 DEG BUR SET (ALSO REFERRED TO AS BEARING CUTTERS) FIG 156c. Six popular Bur Sets for the Professional and DIY. Set 1: STONE SETTING BURS, FIG. 413, 12 BUR SET.