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)