Spearhead High Speed Steel Bud Bur Master Kit of 23 Pieces Crucible Four needles covering a practical

Four needles covering a practical range of yellow gold karats

Compatible with 240V outlets when used with an appropriate plug adaptor

Constructed of hardened steel for long-lasting durability

This inner shaft is compatible with most Foredom flex shaft machines

Spearhead High Speed Steel Bud Bur Master Kit of 23 Pieces Crucible Four needles covering a practicalImportant 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, 15 of the 23 sizes