Busch Fig. 77B Cup Burs .90mm-3.10mm-6 Packs Tumblers & Media Overall Length 5-1/8" Jaw Length

Overall Length 5-1/8" Jaw Length 23 mm Plier Type Chain Nose Material Carbon Steel Finish Mirror Polished Springs Springless (no leaf springs) Grips None (plain polished handles) Origin Germany Notes

Durston 1312 Quad Jump Ringer

these ratios may be used

Whisper-quiet operation: approximately 62–72 dB depending on speed

1 Large Trillion Bezel Block (18 holes

Busch Fig. 77B Cup Burs .90mm-3.10mm-6 Packs Tumblers & Media Overall Length 5-1/8" Jaw LengthBusch 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,