Busch Fig. 411CCC Clean Cut Concave Cup Kit of 20 Burs 1.00mm-2.30mm Forming Right-side specific when used with

Right-side specific when used with the Foredom BL bench lathe

14") diameter posts fit GRS pin holes on upper jaw pin plates

they are a practical choice for jewelers producing earring designs in volume

or traditional torch soldering

Ready-to-use piece — no cutting or preparation required

Busch Fig. 411CCC Clean Cut Concave Cup Kit of 20 Burs 1.00mm-2.30mm Forming Right-side specific when used withBusch Fig. 411CCC Clean Cut Concave Cup burs are among the most precise jeweler's burs available, engineered to ultra high tolerances from tungsten vanadium steel. This kit spans a full range of sizes from 1. 00 mm to 2. 30 mm, giving bench jewelers and stone setters a comprehensive selection of cup burs in a single, organized plastic container. CCC stands for Clean Cut Concave. Clean Cut means the cutting edges are open, allowing metal shavings to be