Busch 1772SS12 Fig 77B Concave Cup Bur Kit of 12 - 0.80mm to 1.90mm Handler 115 6" Cut 3 –

115 6" Cut 3 – Medium Fine 31

flat face excels at planishing

Holes cut at the standard 17° angle for proper bezel formation

expanding versatility across a wide range of holding and setting tasks

Busch 1772SS12 Fig 77B Concave Cup Bur Kit of 12 - 0.80mm to 1.90mm Handler 115 6" Cut 3 –Busch burs are the most trusted name in jewelers' burs, and the Busch 1772SS12 Fig. 77B Concave Cup Bur Kit of 12 delivers a carefully selected range of the most popular sizes in one convenient set. Cup burs are an essential tool for finishing the tips of prongs the number one application for cup burs in jewelry work and this kit makes it easy to have the right size on hand for a wide variety of settings and stone sizes. Concave refers to the