The copper turning pen kit has a tube size of 27/64inch; The recommended blank size is 3/4 x 3/4 x 5Inch, which is suitable and easy to store. The woodturning pen kit is made of iron and brass, which is stable and firm, not easy to fade, break or rust; The smooth is not easy to scratch your hands, and it is ergonomically designed according to weight, which is very comfortable to use. The woodturning pen kits are designed to cater to novices and experienced woodworkers, providing you with various possibilities for DIY; It is very suitable for beginners and provides an excellent opportunity to learn basic skills that can be applied to turning projects. Our set contains 20 pieces wood turning kit, 5 different colors: black, gold, silver, rose gold and matte black, 4 sets of each color, each piece contains black pen refills, rich and enough for your use and share to meet your diverse needs for making crafts. This wooden turning pen kit does not include pen making lathes, shafts, drill bits, or wood blank., Manufacturer: PokFhgur