Busch Fig 411C Fast Cut Concave Cone Cup Bur Kit of 16 Burs 1.00mm - 2.30mm Arbe 5 mm Gear Ratio Direct

5 mm Gear Ratio Direct drive (no reduction gear) Dimensions 11" L × 6-3/4" W × 10-3/4" H (280 mm × 170 mm × 270 mm) Net Weight 34 lbs (15

repeatable results

though differences between manufacturers do exist — one maker's Medium may flow at the same temperature as another maker's Hard

Setting Style 4-Prong Double Gallery Stone Shape Round Construction Lightweight Cast Post Type Friction Post Post Diameter 0

Special tooling used to create the unique Revere grip

Busch Fig 411C Fast Cut Concave Cone Cup Bur Kit of 16 Burs 1.00mm - 2.30mm Arbe 5 mm Gear Ratio DirectCup 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,