MACHINED AIRCRAFT GRADE ALUMINUM: Crafted from durable, high-quality aluminum for a solid, premium feel in hand. BOLT-ACTION MECHANISM: Features a smooth bolt-action design for quick and easy one-handed deployment of the ballpoint tip. CARPENTER PENCIL INSPIRED DESIGN: Unique flat, angular profile inspired by the classic carpenter's pencil, preventing rolling off surfaces. PRESSURIZED INK CARTRIDGE: Equipped with a 0.7mm medium point pressurized black ink cartridge for reliable, consistent writing. BRASS CLIP ACCENT: Includes a removable brass pocket clip, adding a distinctive two-tone look while keeping the pen secure in your pocket. The PROOF Pen is a boldly designed, machined aircraft-grade aluminum bolt-action pen inspired by the timeless classic carpenter's pencil. Built for those who appreciate precision craftsmanship, this pen features a striking angular body with a sleek gray aluminum finish complemented by a distinctive gold-toned brass clip that adds a touch of refined style. The satisfying bolt-action mechanism deploys and retracts the 0.7mm medium ballpoint tip with ease, making it a pleasure to use every day. Loaded with a pressurized black ink cartridge, this pen writes reliably in virtually any condition. The heavy-duty construction ensures it can withstand the rigors of daily carry, whether in a shirt pocket, notebook, or bag. Compact enough to fit comfortably in hand, the PROOF Pen is the perfect blend of industrial design and everyday functionality — a writing instrument built to last and crafted to impress.