This is a Large sized Shockoe Bottom in a Jonothan Brooks Night Dragon material.  The pen is darker black/Purple material with veings of a bright blue which has shimmer throughout.  The pictures do not do this material justice!  The pen measures 140 mm capped and 126mm opened.  Diameter of the cap is 18.25mm with a nice rounded profile, the body diameter is 15.35mm and tapers down to allow the pen to post.  You will have your choice of a #6 Jowo polished nib.  The pen also comes with a standard international converter, and Rickshaw bagworks pen sleeve.  This pen can be used as an eye dropper pen with use of silicone grease on the threads.