This highly sought after product has a weight and feel that represents what a professional drafting pencil should be to too many people. It has an all-metal brass body, traditional knurled grip, fixed 4 mm sleeve, lead grade indicator (with knurled metal casing) and clip. It has a very technical look and will appeal to engineers for its solid construction and lead advancement mechanism. The guide pipe gives an excellent view of the lead. The pencil has an 8 mm diameter grip and a 9 mm hexagonal body shape. The subtle change in body shape links this modern drafting pencil with its wooden pencil ancestors. The top cap holds an eraser and also features the iconic Rotring red circle. Features: Full metal body providing ideal balance of weight and feeling Lead hardness grade indicator for rapid identification Hexagonal shape keeps pencil where you want it For precise ruler-based drawing, the sliding sleeve provides a high level of break resistance and an unimpeded view of the page Specifica