This is a woodturning project kit; Hardware parts only; A LATHE IS NEEDED TO 'TURN' INTO FINISHED SCREWDRIVER; Blanks, drill bits, and all other turning tools and supplies are not included (7) functions include: (3) Hex Openings at 1/4", 5/16", 7/16"; (2) Flat Head Screwdriver Hex Shafts at 1/4" and 5/16"; (2) Phillips Head Screwdriver Hex Shafts at 1/4"and 5/16" Required drill bit sizes: 7/16" and 3/4" This is a Turn-Between-Centers woodturning project kit Minimum handle blank size needed to turn is 2" x 2" x 5-1/2" This is a woodturning project kit; Hardware parts only; A LATHE IS NEEDED TO 'TURN' INTO FINISHED SCREWDRIVER; Blanks, drill bits, and all other turning tools and supplies are not included. (7) functions include: (3) Hex Openings at 1/4", 5/16", 7/16"; (2) Flat Head Screwdriver Hex Shafts at 1/4" and 5/16"; (2) Phillips Head Screwdriver Hex Shafts at 1/4" and 5/16". Required drill bit sizes: 7/16" and 3/4". This is a Turn-Between-Centers woodturning project kit. Minimum handle blank size needed to turn is 2" x 2" x 5-1/2".