Busch Fig. 77B Cup Burs .90mm-3.10mm-6 Packs Komet effective abrasive tools in a

effective abrasive tools in a single convenient package

2mm 4B-894 Platinum 4

When making repairs

1108 Brown 5 Micron 2500 Grit 111

Busch Fig. 77B Cup Burs .90mm-3.10mm-6 Packs Komet effective abrasive tools in aBusch cup burs are among the most trusted tools in professional jewelry making engineered to ultra high precision tolerances and favored by bench jewelers worldwide. The Busch Fig. 77B (European Fig. 411) cup bur is designed for setting stones, finishing bearing seats, and creating clean, uniform cup shaped recesses in metal. Available in 13 sizes ranging from 0. 90mm to 3. 10mm, these burs give jewelers the precise control needed for consistent,