This is a woodturning project kit; Keychain/Pen hardware and bushing set only; A LATHE IS NEEDED TO 'TURN' INTO FINISHED KEYCHAIN PENS; Blanks, drill bit, and all other turning tools and supplies are not included. Includes (4) Mini Bolt Action Keychain Pen Woodturning Kits; You will receive (2) of each in Chrome (PKCPMINCH) and Gun Metal (PKCPMINGM). Also includes the bushing set (PKCPMINBU) needed to make the keychain pens. Features a 7mm single tube design, a bolt action mechanism, and a mini ballpoint black refill. Minimum blank size needed to turn is 5/8" x 5/8" x 1-3/4"; After turning the blank and assembling the parts, the overall completed product length is 3-3/4".