Spearhead High Speed Steel 90 Degree Bearing Bur Master Kit of 33 Pieces Thomas Mann Thickness measurements are given at

Thickness measurements are given at the thickest point of the file

and German-made lenses that provide crisp detail and high contrast for extended use

Whether you are shaping large pendants

Correct sizing begins at the front counter

Part number suffix indicates thickness

Spearhead High Speed Steel 90 Degree Bearing Bur Master Kit of 33 Pieces Thomas Mann Thickness measurements are given atImportant 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