Pen making kit pen turning mandrel and pen barrel trimming set wood turning mandrel #2 morse taper shank with 7 mm drill bit and mill cutter head for pen making woodworking lathe accessories, 9 pieces Feature: The pen barrel trimming set can remove the dry glue in the pen barrel, and can also remove impurities in the pen nozzle, helping you to easily insert the pen mandrel. Pen turning mandrel helps eliminate any vibrations encountered when rotating the blank for a longer time than the necessary mandrel. This pen making kit includes pen barrel trimmer kit and pen turning mandrel with 7 mm drill bit, and the kit comes with barrel trimmer with shafts and drill bit in different sizes to fit your needs in your woodworking, helping you to improve work efficiency. Specifications: Material: steel, carbon steel and brass Color: as shown in the pictures Pen mandrel Size: Total length: 7.95 inches Diameter: 6 mm/ 0.24 inch Pen barrel trimming system size: Shafts: 7 mm (0.28 inch), 8 mm (0.32 inch), 9.5 mm (3/8 inch), 10 mm (0.39 inch) in diameter Cutting head: 19 mm (3/4 inch) in external diameter, 6 mm (0.24 inch) in inner diameter Package includes: 1 x Woodworking pen mandrel 1 x Drill bit 4 x Cutter shafts 1 x Cutting head 1 x Sleeve adapter 1 x Hex key wrench Notes: Manual measurement, please allow slight errors in size. The colors may exist a slight difference due to different screens. Small parts are included, please keep away from children. Please make sure the cutting shafts mount into a drilling or lathe chuck correctly.