GP 1945 Bolt Action Pen LITENEW open ended top. Use the whistle at any time. Flat top for desktop use and outdoor use. Introducing the GP 1945 Bolt Action Pen LITE, a remarkable writing instrument that seamlessly blends functionality with a sleek design. Crafted from high quality materials like machined titanium and aluminum, this pen pays tribute to the era of World War II while offering versatile features such as a bolt action mechanism and a military rescue whistle. Whether