●Blocked chisel tip, line width approx. 2 or 5 mm - prevents the tip from being pressed into the shaft ●Dry and residue-free wipe off whiteboards and surfaces such as glass and porcelain, quick-drying, xylene and toluene-free ink ●Dry safe: can be left open for days without drying out (test climate according to ISO 554) - for high reliability ●PP barrel and cap guarantee a long service life, no ink evaporation, easy to refill with Staedtler filling station 488 51, made in Germany ●Box contents: 4 colours (red, blue, green, black) in the sturdy, stand-up Staedtler box