Double-ended calligraphy marker 5 colours 3.5mm tip and a 2.0mm tip Water-based, waterproof Colour-intensive pigment ink Suitable for both right- and left-handers Staedtler Calligraph Duo is a double-ended calligraphy marker available in 5 colours. Each pen offers a 3.5mm tip and a 2mm tip, ideal for a wide range of lettering. Water-based, waterproof, colour-intensive pigment ink that is lightfast and of archival standard. Suitable for both right- and left-handers. Brand Staedtler SKU 100172007_NP-1020418017