This premium Staedtler Lumocolour pen has been specially developed for use on overhead projection film for stylish presentations. This versatile pen is also suitable for use on a variety of other surfaces including glass, CDs, plastic, porcelain, wood and leather. The permanent ink is fast drying to avoid smudging and provides vibrant, high intensity colour. The medium 1.0mm tip is great for neat, legible writing, drawing, diagrams and more. This pack contains 10 black pens.Pen for overhead projector film and other glossy surfacesPermanent ink for lasting useDry-Safe ink for up to 2 days cap-off timeFast drying ink prevents smudgesWorks on CDs, glass, plastic, metal, porcelain, wood, leather and OHP filmMedium 1.0mm tipBarrel colour: ClearInk colour: BlackPack of 10