This is a woodturning project kit; Hardware pen parts only; A LATHE IS NEEDED TO 'TURN' INTO FINISHED PEN; Blanks, bushing set, drill bit and all other turning tools and supplies are not included Pen hardware machined from C3604 brass and weighs 2.8 oz.; Features a 3/8" single tube design; Includes both a fountain cartridge in black and a premium pump Compatible with bushing set PKMAJSQBU; Minimum blank size needed to turn is 3/4" x 3/4" x 3-1/4" Cap posts with threads on both ends; Overall finished length is 5-1/2" All available RAW Fountain Penturning Project Kits: 6061-T6 Aluminum (PKRAWFST), 303 Stainless Steel (PKRAWFST), C3604 Brass No Clip (PKRAWFBR), C3604 Brass With Clip (PKRAWFBRC); The RAW Penturning Project Kit is also available in rollerball styles: 6061-T6 Aluminum (PKRAWST), 303 Stainless Steel (PKRAWST), C3604 Brass No Clip (PKRAWBR), C3604 Brass With Clip (PKRAWBRC), and the Starter Set (PKRAWSS) This is a woodturning project kit; Hardware pen parts only; A LATHE IS NEEDED TO 'TURN' INTO FINISHED PEN; Blanks, bushing set, drill bit and all other turning tools and supplies are not included. Pen hardware machined from C3604 brass and weighs 2.8 oz.; Features a 3/8" single tube design; Includes both a fountain cartridge in black and a premium pump. Compatible with bushing set PKMAJSQBU; Minimum blank size needed to turn is 3/4" x 3/4" x 3-1/4". Cap posts with threads on both ends; Overall finished length is 5-1/2". All available RAW Fountain Penturning Project Kits: 6061-T6 Aluminum (PKRAWFST), 303 Stainless Steel (PKRAWFST), C3604 Brass No Clip (PKRAWFBR), C3604 Brass With Clip (PKRAWFBRC); The RAW Penturning Project Kit is also available in rollerball styles: 6061-T6 Aluminum (PKRAWST), 303 Stainless Steel (PKRAWST), C3604 Brass No Clip (PKRAWBR), C3604 Brass With Clip (PKRAWBRC), and the Starter Set (PKRAWSS).