N.B. Each kit is supplied as the components only and does not include the material / blank. The Scribe rollerball kits produce really nice pens and feature a pull off top that can be switched to the other end of the body when writing. An easy to make single tube kit producing a smart looking reliable rollerball pen, it's a joy to write with too. Requires an 8mm drill. When using a mandrel to make these pens, the 701604 Bushing Set will be required. For refills order 340240.