Write at any angle, no matter the weather, with the Rite in the Rain All-Weather Black Pen. Our replaceable pressurized ink cartridge powers through moisture, odd angles, and temperatures from -30F to 250F. Write smoothly and consistently, despite the objections of Gravity and Mother Nature. A thick, rubberized grip holds securely, even with gloves and slippery weather. The pen measures 5-1/4" long with a diameter of 3/8". No more leaks, dried-up tips, or failures in the field. The Rite in the Rain All-Weather Pen and Refills are made for hard use and uncompromised reliability.