Fine 318 permanent universal marker with an approx. 0.6mm line width. This marker can write on virtually any surface and comes in eight brilliant colors. Black, yellow, orange, and brown are lightfast, and the black variant is also extremely weatherproof. The ink is dry-safe and refillable using the easy-to-use refill station 487 17 for black, red, blue, and green ink. It is also available in sets of 4, 6, or 8 colors in the unique Staedtler stand-up box. The pen is suitable for use on overhead projector film and most other glossy surfaces. It features ventilated caps in accordance with ISO 11540. The barrel and cap are made from PP.