Busch^® produces top quality jewelry hand tools such as burs. Buy bur sets or individually. Bur types include krause, fast cut cup, twincut cup, twincut conincal cup, concave cup bur cutter, 70 hart, saw edge wheel, knife edge wheel, inverted cone, cone square cross cut, bud, 90 hart, cylinder square cross cut, cylinder square cross cut, cylinder square plain cut, round burs, and stone-setting burs.