【Easy to Use】the cutting shafts can easily clean and remove the extra glue, bits of wood, impurities, etc. from the tubes and make the tube cut flatter; Please make sure the cutting shafts mount into a drilling or lathe chuck correctly
【Pen Barrel Trimming System】the package includes 4 pieces of pilot cutter shafts in different sizes, 1 cutting head, 1 sleeve adapter and 1 hex key wrench, which can meet the requirements of most pen polishing
【Suitable Size】the pilot shafts contain the sizes of 7 mm (0.28 inch), 8 mm (0.32 inch), 9.5 mm (3/8 inch), 10 mm (0.39 inch) in diameter; The cutting head measures about 19 mm (3/4 inch) in external diameter and 6 mm (0.24 inch) in inner diameter
【Quality Material】the cutter shafts are made of solid carbon steel, which are rust-resistant, sturdy, durable with nice cutting strength for maximum drilling, and the sleeve adapter is made of brass
【Widely Application】the pilot shafts are suitable for mounting into a drill chuck, lathe chuck, drill press or hand drill, and they are helpful to polish the pen, mill the hole and clean the inner tube with the tiny size