Staedtler Pigment Liner 308The Staedtler Pigment Liner 308 delivers professional-grade precision for artists, architects, and designers. Featuring a reinforced metal tip that works seamlessly with rulers and templates, this pen produces crisp, consistent lines ideal for technical drawings and detailed sketching. The pigmented ink is lightfast, waterproof, and conforms to ISO 14145-2 standards, ensuring your work withstands time and highlighting without bleeding. Remarkably, the ink remains erasable on drafting paper, giving you flexibility in your creative process. With an innovative cap-off design allowing up to 12 hours of uncapped use without drying, plus a durable PP barrel built for longevity, this pen is your reliable companion whether in the studio or travelling. TSA-approved for hassle-free air travel.