Push-button as umbrella cap and barrel with sealing ring for maximum all-round protection against external influences.
Extremely sustainable thanks to refill-ability 
Its FOR ALL graphite lead 2B marks on almost any surface, whether dry, wet, glossy, rough or dusty 
Most versatile capabilities due to special leads: for bright or dark surfaces, in water soluble or water jet resistant
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 
Its graphite lead for Joiners in special hardness H is ideal for fine markings on dry surfaces 
The water resistant Summer leads is stable up to 70° C

Marks on almost all kinds of dry areas
Quiver cap with special clip for perfect one handed handling
Permanent alcohol-based ink , removable from glossy surfaces with alcohol and other usable solvents
Instantly water and abrasion resistant
Extended tip made of stainless steel – self-adjusting and patented: up to 3 times more marking capacity by using full 7 mm of the fiber nib’s length of abrasion, instead of 2 mm