Spearhead High Speed Steel Setting Bur Master Set of 33 Pieces Durston Black Friday A practical addition to any

A practical addition to any professional threading setup

Made to fit the 8" x 4" pitch bowl (125

For white gold and platinum

424 4 mm x 20 mm Rectangle What's Included

Riffler files feature a distinctive curve toward a point

Spearhead High Speed Steel Setting Bur Master Set of 33 Pieces Durston Black Friday A practical addition to anyImportant Notice Regarding This Set: If you order this set, it will not arrive complete. Spearhead has been unable to supply all sizes in this master set, and Otto Frei does not have confirmed ship dates on open back orders. Orders for this set will be fulfilled as a partial set only, at a reduced price, based on sizes in stock at the time of your order. For example, as of 2 7 2025, only 17 of the 33 sizes were available the count may be higher or