Precision-crafted from aerospace-grade metal, this exceptional writing instrument is designed to be your treasured companion for years to come. Manufactured in England, UK this mechanical pen offers a reassuring weight and ergonomic design that limits hand fatigue during extended writing sessions. The pen features a knurled grip and large diameter for comfortable handling, while the contoured knurled crown allows for effortless one-handed operation to lock the nib in place with a single twist. Machine-turned to perfection, this pen exemplifies superior craftsmanship and attention to detail. Details: Metal: Aerospace-grade brass from Europe, CNC machined in Birmingham, UK.Cartridge: Fisher Space Pen® PR4 Pressurised ink cartridge from Boulder City, US.Packaging: Waxed cotton sleeve from Halley Stevensons in Scotland or Oeko-Tex double thickness cotton sleeve from Poland, Europe.Finish: Laser engraved, assembled by hand and packaged in London, UK.Weight: 52g (1.85 oz)Dimensions: 10mm (0.37”) diameter, 117.5mm (4.63”) lengthCartridge: Black Fisher Space Pen® PR4 cartridge included, can also fit Schmidt Megaline 4889Inscriptions: Max 35 charactersEngraving: All inscriptions are in capital letters and run along the length of the barrelConsiderations: Brass will develop a unique patina as its surface oxidises and interacts with the natural oils in your skin. This pen will quickly look like a timeless tool, but can easily be polished back to its original lustre. Pictured is the Brass variant Wingback are an award-winning independent design studio based in the heart of London, UK. Everything they make is a celebration of functional design, exceptional materials and British manufacturing. Responsibly built for the long haul, Wingback products are a hallmark of quality, designed to become cherished items passed down from generation to generation. They are members of 1% For The Planet and Certified Climate Neutral.