Ohto Ceramic Rollerball. The ohto c 305p ceramic rollerball pen refill is a super smooth 05 mm rollerball refill in a standard european rollerball size. Today our ceramic roller refill is recognized as a c 300 standard refill.
The ohto ceramic roller refill matches the standard ceramic rollerball rb size. The ceramic ball gives noticeable bite to the writing style quite unlike regular roller ball tips. Today our ceramic roller refill is recognized as a c 300 standard refill. The dude has a hexagon body made of polished.