A multi-function pen combining black and red 0.7 mm needle-point ballpoints with a 0.5 mm mechanical pencil. Its barrel changes from a round to an angular shape.
Features
Length: 144.5 mm; barrel diameter: 9–10.2 mm; maximum diameter: 11.8 mm
Weight: 21 g
Materials: barrel, tip, knock, and cap: brass; clip: SK steel and POM
Made in Japan
Replacement refills: R-4C7NP black and red (0.7 mm)