Zebra Mechanical Pencil DelGuard White 0.5 P-MA85-W

[Vertical direction] 1: The upper spring absorbs the pressure of the pen / 2: The lead is released upwards to prevent breakage [DelGuard] Unbreakable mechanical pencil [Diagonal direction] 1: The lower spring absorbs the pressure of the pen / 2: The tip pops out to protect the lead [Equipped with DelGuard System] Protects the core from all directions *Caution: If you knock the pen more than four times while the lead is not extended, it may break. It uses the DelGuard System, which protects the lead by extending the tip of the pen when a large load is applied to the lead.