Pica Dry Longlife Automatic Pencil - The only Construction Marker with effective dust and moisture protection "LONGLIFE CAP"  with extra strong clip and robust sharpener for long term use Extremely sustainable thanks to refillability Wipe clean from glossy surfaces with a damp cloth Barrel with roll stop Convenient quiver cap with special clip for perfect one handed handling Patented: The integrated sharpener in the quiver cap - always and immediately at hand High value push mechanism for automatic lead feed in a stainless steel tube Leads most easy to refill from the back end Summer Heat Leads - water resistant Stable up to 70° C For most surfaces Not suitable for glassy, glossy surfaces Set of 8 summer leads assorted: 3 Graphite FOR ALL 2B, 3 Red, 2 White