This uniquely designed rollerball pen is made of brass in central Tokyo.
Once closed it is very compact and has a ring to which you can attach a thong or key door.
Over time the brass will skate and your pen will be all the more unique.
The grip, the part by which the pen is held, is made of wood.
Closed size: 9.7cm
Size without a hood: 8cm
Open size with hood at the back: 13.7cm
Color of ink: black