Set containing line width 0.25, 0.35, 0.5, 0.7, technical pen compass adapter, drawing ink bottle 745 R-9 and template attachment for simplifying work with templates. Technical pen for maximum precision. With hard chrome plated drafting tube. No drying up of ink thanks to double sealing system in cap. Steady ink flow thanks to ink collector system. For use on drafting and tracing paper and on matt drafting film. Easy to refill from bottle or with cartridge.