Staedtler Triplus 431 Ice XB Triangular Coloured Ballpoint Pens. 6 assorted colours (orange, light purple, light green, dark green, dark purple) Line width XB (extra broad) approximately 0.7mm. Barrel colours corresponding to writing colours. Ballpoint pen with cap & clip. Ergonomic triangular barrel for effortless, fatigue-free writing. Rubberised barrel. Particularly smooth writing performance due to a ball diameter of 1.4mm. Airplane-safe Ð automatic pressure equalisation prevents pen from leaking on board aircraft. Metal tip, metal screw end plug. Choice of colour can be indicated in the comments box at checkout
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