Pay in 4 interest-free payments of $33.00 Learn more
Ships within 48 hours · Estimated delivery Oct 14 - Oct 19
Warmup Time: Typical initial warmup 15–30 minutes (metal-dependent)
The key technique is to angle the metal off the stake
Includes media and solution: 100 g of stainless steel pins (use 75 g per run for best results) and a sample of Otto MF 610 Magnetic Tumbler Concentrated Solution
14 Gauges — Round 10
Spearhead High Speed Steel Ball Bur Master Kit of 33 Pieces precious-metal-notice Warmup Time: Typical initial warmupImportant Notice: This set will ship incomplete. Due to ongoing supply constraints, Spearhead has been unable to fulfill all sizes in this kit as ordered. Otto Frei will contact you with the exact burs in stock, the sizes unavailable, and an updated reduced kit price at the time of your order. We are not back ordering missing sizes, as restocking timelines are unknown and inventory returns randomly. For reference, as of 7 29 2026, 23 of the 33 sizes
US$ 24999.50
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