Open the X-750 Space Pen measures 5.10 inches (130 mm), \nwith a closed length of 4.25 inches (108 mm) with rubber Comfort Grip.\nAll X-750 Space Pen series contain a #PR4 Black Ink, \nMedium Point Pressurized Fisher Space Pen Refill. \n\nGet Personalized Engraving for your SPACE PEN! \n....$5.00 will be added to pen price for each line of Name engraving, Monogram.\t(20 Character maximum per line for Name Engraving, and 3 Character maximum for Monograms)