WRITING INSTRUMENT HOLDER AND WRITING INSTRUMENT HOLDER SET

摘要

A writing instrument holder according to an aspect is a writing instrument holder that chucks a writing instrument, a width of a rear end part of which is larger than a width of a shaft thereof, the writing instrument holder including, a barrel that houses at least a part of the writing instrument, and a chuck that chucks the writing instrument, wherein the barrel has a front end opening, through which a front end part of the writing instrument can pass, and a rear end opening, through which a rear end part of the writing instrument can pass.