Busch Cup Burs 36Pcs Metal Testing Great for bead stringing when

Great for bead stringing when using gem stones

This is a new set of 144 gold plated pin backs

5 to 12 mm in diameter

economical boxes

This is a new set of 6 emery shells

Busch Cup Burs 36Pcs Metal Testing Great for bead stringing when36 New Busch Cup Burs for Stone Setting This 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