Description: Precision Machined: Metal pen turning mandrel lathe turning tools designed for producing pens to eliminate eccentric turning, which is acceptable for most kits, can be applied for most lathes. Features: Each wood turning pen mandrel is 7.95 icnhes in length, 0.24inch in diameter shaft. you can adjust at will via loosening the lock at the head stock end, easily and flexibly help you finish work. Material: All these pen turning mandrel made of high quality metal material, strong and durable, wear resistant and high temperature resistant. Widely Use: Manual pen barrel trimming cutter shaft set 7mm/0.28inch,8mm/0.32inch,9.5mm(3/8inch),10mm(0.39inch) suitable for mounting into a drill chuck, lathe chuck, drill press, or hand drill, and they are helpful to polish, mill the hole and clean the inner tube with the tiny size. Package Includes: Woodworking pen mandrel, Drill bit, Cutter shafts, cutting head, sleeve adapter, and hex wrench. Specification: Material:Metal Size Chart: Diamter: 6mm/ 0.24inch Cutter shafts: 7mm/0.28inch,8mm/0.32inch,9.5mm(3/8inch),10mm(0.39inch) Cutting head: 19mm(3/4inch), Inner Diameter: 6mm(0.24inch) Package Includes: 1 Woodworking pen mandrel 1 Drill bit 4 Cutter shafts 1 Cutting head 1 Sleeve adapter 1 Hex wrench