metacil school Lead Refill

Introducing refills for Metasil School, a new type of pencil that allows you to continue writing without sharpening!
You can write smoothly with a lead density equivalent to that of an F pencil, which is approximately between H and HB.

*This is a refill exclusively for Metasil School. It cannot be used for Metasil and Metasil Light Knock.

Specification:
Body size: Approximately φ6 x H15mm
Package size: Approximately W40 x H75 x D11mm
Material: Special graphite