Zebra DelGuard Type Lx Mechanical Pencil, Red, P-MA86-R, 0.5mm Lead Diameter

【Type-Lx】For those who care about both functionality and design 【Equipped with the DelGuard System that prevents lead breakage】Protects the lead from all directions 【Vertical Direction】1: Upper spring absorbs writing pressure / 2: Allows the lead to move upward to prevent breakage 【Diagonal Direction】1: Lower spring absorbs writing pressure / 2: Tip extends to protect the lead 【Caution】The lead may break if you write after knocking the pen more than 4 times when the lead is not extended.