BIG dry construction marker - spare leads

Pica,

In practical and robust synthetic material case. Right-angled leads with a cross section of 2 x 5 mm, 150 mm long. Lead case with double opening fin for easy and intuitive handling.
FOR ALL graphite construction lead: universal – for virtually all materials: dry, wet, smooth, rough, dusty, oily; can be wiped off smooth surfaces with a damp cloth, does not bleed through when painted over with emulsion paint
-FOR ALL white/red construction lead: universal – for virtually all materials: dry, wet, smooth, rough, dusty, oily; can be wiped off smooth surfaces with a damp cloth, ideal on dark materials