This is a woodturning project kit; Hardware pen parts only; A LATHE IS NEEDED TO 'TURN' INTO FINISHED PEN; Blank, bushing set, drill bit and all other turning tools and supplies are not included. Includes (5) PKCP8020 Gun Metal Bolt Action 30 Cal Ballpoint Pen Woodturning Kit. Patent No.: US D682,352 S. Features a 3/8" single tube design, our patented bolt action mechanism, and a Parker style ballpoint refill. Compatible with bushing set PKCP3000BU. Minimum blank size needed to turn is 3/4" x 3/4" x 2-1/2". All accessories are available from Penn State Industries. This completely original and irresistibly fun Bolt Action pen will be hard for any hunting or target-shooting enthusiast to put down. Every detail, from the one of a kind bolt action mechanism to the precision engineered components, was carefully designed to ensure uniqueness and reliability. The realistic bolt-action handle smoothly advances and retracts to securely lock the refill in place. All available Bolt Action 30 Cal Ballpoint Pen Woodturning Kits: Gold (PKCP8000), Chrome (PKCP8010), Gun Metal (PKCP8020), Black Enamel (PKCP8030), Antique Brass (PKCP8040), Antique Copper (PKCP8050), Antique Pewter (PKCP8060), and the Starter Package (PKCPBAPAK). Patent No.: US D682,352 S.