Spearhead High Speed Steel 90 Degree Bearing Bur Master Kit of 33 Pieces Fluxes Dimensions provided per size for

Dimensions provided per size for accurate pre-setting planning

As with all Fretz stakes

Suitable for use in jewelry

taking care not to overheat the catch mechanism so it continues to close smoothly

professional training profile

Spearhead High Speed Steel 90 Degree Bearing Bur Master Kit of 33 Pieces Fluxes Dimensions provided per size forImportant Notice: This set will ship incomplete. Due to ongoing supply constraints, Spearhead has been unable to fulfill all sizes in this kit as ordered. Otto Frei will contact you with the exact burs in stock, the sizes unavailable, and an updated reduced kit price at the time of your order. We are not back ordering missing sizes, as restocking timelines are unknown and inventory returns randomly. For reference, as of 7 29 2026, 25 of the 33 sizes