Pen Mill Barrel Trimmer Head - Carbide Steel - 3/4" Diameter OS01-01 How long do the carbide

How long do the carbide inserts last before needing replacement

Made from lightweight

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Pen Mill Barrel Trimmer Head - Carbide Steel - 3/4" Diameter OS01-01 How long do the carbideOne of the most critical steps in turning top quality pens is squaring the ends of your pen blanks to provide a perfect, gap free mating surface for the pen kit parts. With the Whiteside Pen Mills, this step is quick and easy. The Whiteside Pen Mill features a sharp, 3 4" diameter carbon steel trimmer head for squaring blanks and pilot shafts that clean excess glue from inside the brass tubes. Pilot shafts and trimmer heads are sold separately,