Mirror mirror on the wall, which writing instrument does it all? This writing instrument can be used as a fountain pen, ballpoint, mechanical pencil, and rollerball. This pen was kindly sent to me by Luxury Brands.

Measurements
Length (capped): 138.7 mm/5.46″
Length (uncapped): 127.3 mm/5.01″
Length (posted): 175.4 mm/6.90”
Diameter (section): 7.8 – 11.5 mm/0.31″ – 0.45″
Diameter (barrel): 15.0 mm/0.58″
Weight (all): 49 g
Weight (cap): 14 g
Weight (body): 35 g