Spearhead High Speed Steel Ball Bur Kit of 15 Pieces voltage-dual Engineered to Bergeon's established standards

Engineered to Bergeon's established standards for watchmaker hand tools

Manufactured by America's largest family-owned findings producer

snug fit across all 11 oval holes — from the smallest 4 × 2

Set Contents 2 round disc cutters Disc Sizes 1-3/4" (44

This component is also available as part of Machinist Kit 141

Spearhead High Speed Steel Ball Bur Kit of 15 Pieces voltage-dual Engineered to Bergeon's established standardsImportant Supply Notice: If you order this set, it will not be complete. Spearhead has not been able to supply all sizes in this kit as ordered, and Otto Frei does not have confirmed ship dates on open back orders. We will supply a partial set only, at a reduced price, based on what burs are in stock on the date of your order. For example, as of 7 29 2026, only 10 of the 15 sizes were available the count may be more or less when you order. We will