30137 - Polishing Burrs - Size 1 Mm, 2 Mm, 3 Mm,4 Mm, 5 Mm, 6 Mm,7 Mm Diamond Coated Cutting Burrs,Size1 Mm, 2 Mm, 3 Mm,4 Mm, 5 Mm, 6 Mm,7 Mm,Compatible With Any Open System.