Spearhead High Speed Steel Ball Bur Master Kit of 33 Pieces Prop 65 - Nickel-Cobalt-Cadmium and performing a wide range

and performing a wide range of smithing tasks — all at a smaller scale than traditional silversmithing stakes

Supports smooth axial load management during rotary operation

and corners

Material Hardened steel Hole Profile Round Number of Holes 20 Hole Size Range 10 mm – 12 mm Origin Italy Brand OMO

Spearhead High Speed Steel Ball Bur Master Kit of 33 Pieces Prop 65 - Nickel-Cobalt-Cadmium and performing a wide rangeImportant 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, 23 of the 33 sizes