British based William Mitchell Calligraphy has been designing and manufacting exceptional pens for almost 200 years. Renowned worldwide for their quality, our pens are the first choice for professional calligraphers, scribes and aspiring students. William Mitchell?s Poster Pens are ideal for poster and display lettering?with their slightly canted edge to facilitate writing on textured surfaces.?Available in eight different sizes, our poster pens? integral reservoir?allow longer, uninterrupted use. William Mitchell nib points have a protective lacquer to prevent tarnishing. Briefly immerse the full pen point in boiling water before first use to remove. Washing your pen in lukewarm water after each use, then drying it gently with paper tissue, will maintain its optimum performance. Contents Include: 8 different nibs – 13; 14; 15; 16; 17; 18; 19; & 20, 2 x Two Slip-on Reservoirs, 1 x Multipurpose Pen Holder, 1 x Cardboard Storage Box.