The Rite in the Rain All-Weather Metal Clicker Pen powers through weather and messes. The powder-coated brass barrel contains a pressurized ink cartridge that writes upside down and through moisture. The ink cartridge performs in temperatures from -30F to 250F and the ink won't leak, evaporate or blow up in your pocket. A tight, durable clip clings to your shirt or pocket when the going gets rough. The perfect everyday carry pen, it's ready to write at all times in any weather. 5.125" long barrel, 0.5 diameter. (No. 97 Black with Black Ink also available)