The Rite in the Rain All Weather Metal Clicker Pen is a durable and versatile writing tool that can withstand extreme conditions. It features a powder-coated brass barrel, a pressurized ink cartridge, and writes smoothly through various substances. Through a partnership with 1% For The Planet, one percent of sales of all EcoSmart products will be donated to environmental nonprofits. Durable powder-coated brass barrel and pocket clip. Pressurized ink cartridge works in temperatures ranging from -30F to 250F, underwater, and at any angle. Writes through water, sweat, grease, and mud without smearing. Includes a 0.9mm tip and provides black ink.