[copper body size: 134x10.9mm 30g]
[gray (dark gray) Body size: 134x10.9mm 30g]
[white Body size: 134x10.9mm 30g]
[blue (dark) Body size: 134x10.9mm 30g]
High Quality Acro Ink (Oil Based Ballpoint Pen, Acro Drive from Japanese stationary brand Pilot. Also available for BRFN-30 refills. Pilot Acro Ink Ballpoint Pen, Acro Drive Fine Point