Koh-i-noor 2.0 mm Blue Leads for Technical Drawing. 4300/11
Koh-i-noor 2.0 mm Red Leads for Technical Drawing. 4300/5
Koh-i-noor 2.0 mm Yellow Leads for Technical Drawing. 4300/3
Staedtler Mars 780 Technical Mechanical Pencil, 2mm. 780BK