The Tackpro Pen Mill Set is providing the perfect solution for squaring pen and shafts to gapfree mating surfaces for pen kit parts This pen trimming for anyone who loves woodwork and wants to beautifulpens The pen trimming is the upgraded stainless steel Use it with a drill press, hand drill, or your own shop-made handle to achieve accurate and results making it perfect for hobbyists and professionals alike Made from stainless steel, this 7-piece set includes3 / 4inch cutting head, 7mm, 8mm, 3 / 8inch, and 10mm cutter shafts, as well as an adaptor sleeve and wrench for easy use, Manufacturer: Bottone