This pen was made by William Shakour. You can get your own from him here (no website at this moment).
Measurements
Length (capped): 170.0 mm/6.69”
Length (uncapped): 156.1 mm/6.15”
Length (posted): N/A
Diameter (section): 14.3 – 18.5 mm/0.56 – 0.73”
Diameter (barrel): 14.5 – 19.5 mm/0.57” – 0.77”
Weight (all): 46.0 g
Weight (cap): 37.0 g
Weight (body): 9.0 g