Busch Cup Burs 36Pcs

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36 New Busch Cup Burs for Stone SettingThis is a new set of 36 Busch cup burs. Long time jewelers favorite. These are made in Germany with a reputation for quality. All burs have a 3/32" (2.5 mm) shank.You receive: 6 Size 0 burs that measure approximately 0.9 mm in diameter and have an Iso of 009 6 Size 1 burs that measure approximately 1 mm in diameter and have an Iso of 010 6 Size 2 burs that measure approximately 1.2 mm in diameter and have an Iso of 012 6 Size 3 burs that measure approximately 1.4 mm in diameter and have an Iso of 014 6 Size 5 burs that measure approximately 1.6 mm in diameter and have an Iso of 016 6 Size 6 burs that measure approximately 1.8 mm in diameter and have an Iso of 018 Show more