0.5mm fine point, standard lead point size, 12 piece tube of unbreakable lead bonus refill for precise and enjoyable writing

Double spring, patent-pending mechanism ensures lead is secure and protected from breakage every time you click to advance your lead

Patented technology eliminates lead breakage regardless of writing styles and angles; Click twice for best results!

Features a lightweight, black barrel with a textured grip for enhanced comfort, and provides a precise and enjoyable writing experience

Recommended refills are Zebra's DelGuard Unbreakable Lead Refill (89881) and Zebra's DelGuard Eraser Refill (83225)