Busch Fig 411C Fast Cut Concave Cone Cup Bur Kit of 16 Burs 1.00mm - 2.30mm Rolling Mills and pink gold filled

and pink gold filled

The built-in light is mounted above the lens holder and swivels up

scratch-free

and other metals with precision and consistency

21mm brass holders can be modified for use with thicker drill bits

Busch Fig 411C Fast Cut Concave Cone Cup Bur Kit of 16 Burs 1.00mm - 2.30mm Rolling Mills and pink gold filledCup burs are primarily used by jewelers for finishing and rounding the top of prongs during stone setting. The Busch Fig. 411C Fast Cut Concave Cone Cup Bur offers a distinct geometry compared to the standard Busch 77B concave cup bur its concave cone shape produces a more sharply sloped, rounded profile when finishing prong tips. This 16 piece kit is composed of Busch 411C Fast Cut Concave Cone Cup Burs in eight sizes ranging from 1. 00mm to 2. 30mm,