Electronic pen and core body for electronic pen

A core body for an electronic pen, the core body being attached inside a housing of the electronic pen including an opening portion on one end portion in an axial direction of the electronic pen, the core body being attached inside the housing such that a front end portion in the axial direction of the electronic pen protrudes from the opening portion of the housing, the core body comprising:

• a core rod with conductivity that, in operation, receives a signal from a signal generation circuit;
• and
• a protection member that partially covers the core rod, wherein:
• the core rod includes a pen tip portion on a front end side of the core rod, an installation portion on a rear end side of the core rod, and an axis portion that connects the pen tip portion and the installation portion,
• the protection member is located only on the pen tip portion of the core rod, and
• the protection member covers a front end of the core rod.