Rite in the Rain All-Weather Metal Pen is the pen for field workers on the go. This sturdy writing tool can be used in different environments for note-taking, together with Rite in the Rain paper products. The powder-coated brass barrel holds up against the elements, encasing a pressurized ink cartridge that enables the pen to write through water, different weather conditions, grease, mud, and more. This pen has a .9mm point, and ink cartridges may be replaced if refills are needed. The Rite in the Rain All-Weather Metal Pen can also be used to write at any angle, even upside down, so it is a handy tool for writing while gathering notes in various conditions. The pen works in temperatures as varied as -30F to 250F, and also proven to work under water (up to 35 ft). Because of its versatility to withstand different environments, this pen and Rite in the Rain products has become a go-to writing tool across industries, such as construction, geo-sciences, marine, food, energy, agriculture, tactical and a whole lot more. Rite in the Rain All-Weather Metal Pen is now available in packs of 2 (Ink color: Black).