Busch Fig. 77B Cup Burs .90mm-3.10mm-6 Packs Komet so performance is never compromised

so performance is never compromised

Quatro SolderPure

and highly polished for a flawless striking surface

Compatible with tapered spindles found on standard jeweler's polishing lathes

Busch Fig. 77B Cup Burs .90mm-3.10mm-6 Packs Komet so performance is never compromisedBusch 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,