Staedtler Triplus Fineliner Pen - 0.3 mm - 60 Color Set | JetPens
Amazon.com : STAEDTLER Triplus Fineliner and Fibre Tip Pen Set, Mix & Match Feature, Ergonomic Triangular Shape, Dry Safe, in Practical Box with 20 Fineliners and 20 Fibre Tip Pens, 34 SB40,