A a mechanical pencil

摘要

This devise is designed so that you can attach to the side of the pen decorations , especially the upholstery is stable is designed to be fixed to be one . ; conventionally integrally fixed to the upper end without attaching the decorations on the side of the pen or writing instrument was used to put a shape to the body by attaching the decorations even by the pen side will not use for . ; this is intended to realize the mounting a retaining ring which forms a groove in the upper portion of the writing instrument , and an opening formed thereto , and the ring form a ring on one side of the retaining ring is one designed to attach decorations in part .