Spearhead High Speed Steel Ball Bur Master Kit of 33 Pieces Drilling Equipment including models from Proxxon and

including models from Proxxon and WeCheer

Regular inspection and timely replacement of worn tips helps maintain efficient abrasive flow

This listing is for the 110V heating element and gasket only

Platinum Head – produces a hotter flame for melting and casting small amounts of platinum

Designed for continuous use — up to 8 hours a day

Spearhead High Speed Steel Ball Bur Master Kit of 33 Pieces Drilling Equipment including models from Proxxon andImportant 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