"I carry this pen clipped to my wallet so I am never without one. It strikes a great balance between being thin and light enough that it doesn't add annoying bulk, but is still actually comfortable to write with since it's flat and wide enough that it doesn't feel tiny in the hand. Plus, it uses a much nicer refill than any of the other "space saving" pens I've used. It kind of reminds me of a flat carpenter's pencil in the hand. I gave one away to a doctor who expressed interest in it and immediately ordered a replacement!" - Tim L. (USA) "The design, the quality, and usability are incomparable. Now my ‘must’ have with me wherever I go. Clips to a notebook perfectly." - John P. (USA) CW&T x gnuhr PTC UltraWith hollowed out pockets, Ultra is the ultralight version of Pen Type-C. Ultra weighs 12.8g and is available as a limited version. Pen Type-C is a flat, durable bookmark pen.Perfect for everyday carry in a pocket or tucked in a notebook.Precision machined to house a high quality cartridge that never dries or leaks. Bent spring steel protects the tip when not in use. Flip it around to snap into writing position. The scrappy, unassuming, take me anywhere kid sibling of Pen Type-A and Pen Type-B is here, and comes with a detachable clip. Thin enough to be a bookmark.Pen Type-C is 3.5 mm thin. Save that page you are reading, or slip it into your sketchbook. It's also lightweight, so it won't weigh down your pocket. An ink cartridge that never dries or leaks.Pen Type-C is designed to fit the Pilot Hi-Tec-C Coleto ink cartridge. It comes in 15 colors and multiple thicknesses. These cartridges are designed for clicky pens, engineered to be exposed to air and not dry or leak. To replace, use a new cartridge to snap the old one out. Insert the new cartridge’s tip, and press it into place. Precision machined with quality and longevity in mind.As with other CW&T products. Pen Type-C is machined out of high quality materials with longevity in mind. It's made of grade 5 titanium with a glass bead blast finish. A detachable clip.Pen Type-C comes with a durable, stainless steel clip. Keep it anchored to a book, pocket, shirt ... your socks?! If you'd rather go clipless, you can remove the screws and the clip with a flathead screwdriver. Available with a custom engraving.Make yours a little extra with a laser etched mark. We do these in-house, so it will not delay your order. Pen Type-C Ultra in the wild.Photo by Alec Marchant.