Designed in-house by Darrel Ralph and is manufactured in Dallas, Texas. It's his version of a tactical click pen, made with unwavering quality and is absolutely gorgeous. This Slim Line copper model is a uniform thickness throughout and it is an extremely comfortable writing instrument. It has a blue/green forced patina finish dubbed 'shipwreck' which you cannot help but find extremely awesome. It measures five inches overall and includes an SPR4, medium black Fisher Space Pen refill, though any Space Pen refill will work in this model. It weighs 1.6 ounces and includes a polished stainless steel pocket clip.