Busch Fig. 415 Knife Edge Bur Kit of 11 - 1.0mm - 2.0mm Hammers & Mallets Uses genuine Japanese pearl drills

Uses genuine Japanese pearl drills and can also accept HSS twist drills or similar jeweler’s drills

This blade will also fit plier-style ring cutters that are identical in design

Material Cobalt Steel Shank Diameter 3/32 in (2

A protective guard surrounds the top gears for added safety

This package contains three 18-inch lightweight sterling silver cable chains

Busch Fig. 415 Knife Edge Bur Kit of 11 - 1.0mm - 2.0mm Hammers & Mallets Uses genuine Japanese pearl drillsThe Busch Fig. 415 Knife Edge Bur Kit contains one each of 11 burs ranging from 1. 0mm to 2. 0mm, packaged together in a plastic storage container. This assortment gives stone setters a complete progression of sizes in a single purchase, eliminating the need to source each bur individually. Busch Fig. 415 burs also known as Lens burs feature a 55 degree angle that produces narrow, precise cuts in precious metals. This geometry is especially well