Sailor Procolor 500 and Profit Junior compared

• Same length. Same girth. Same weight. Same body material. Same nib material. Same limited choice of nib width (i.e. MF only).
• Different nib geometry. Different internal construction in the gripping section. Different cap ring. Different clip shape. Different price.

Originally posted here:

https://www.fountainpennetwork.com/forum/topic/355587-sailor-compass-aka-profit-jr/?do=findComment&comment=4358328

(The product page URLs shown in the image no longer work, after Sailor refreshed its Japanese website in late 2020. The replacement product pages are here for the transparent Profit Junior and the transparent Procolor 500.)