Staedtler 318 WP8-1 OHP pen set, identified by manufacturer part number 2588340, includes an assortment of eight pens designed for precise writing and marking on overhead projector (OHP) films and a variety of other surfaces. The pens feature quick-drying ink, which reduces smudging and ensures clarity in technical presentations and transparent displays. These markers are essential in engineering environments where accurate, legible annotations on acetate sheets are required for documentation, brainstorming, or instructional purposes. The robust ink formulation is permanent on most surfaces, providing durability in industrial and laboratory settings, while the assorted colours offer versatility to distinguish between different elements or categories during complex technical illustrations. https://elecena.pl/product/29568405/staedtler-318-wp8-1-ohp-pen-assorted-colours-8-pack-quick-drying-ink 2025-12-05 https://elecena.pl/product/29568405/staedtler-318-wp8-1-ohp-pen-assorted-colours-8-pack-quick-drying-ink 2026-07-02