Get the legendary Koh-I-Noor Rapidograph Slim Pack 4 Technical Drawing Pen Set 3165-SP-4 A9 for your precise drawing needs. This set includes four technical pens and a full ink bottle (Rotring), all neatly stored in the original case. The pens feature a solid black finish and are made in Germany.These technical pens are perfect for art and drafting projects. The slim pack design makes them easy to store and transport. Trust in the quality of Koh-I-Noor Rapidograph brand for all your technical drawing needs.