6" Handheld Brass Telescope with Wooden Box - Pirate Navigation Clear Wooden Box The Nagina International's Nautical Premium Quality 6 inch Brass and Leather Spy Glass Telescope is a great gift for a nautical navigator in your family. The spyglass measures 6 inches when its four brass tubes, which are clear coated to protect the brass from tarnishing, are fully extended. This spy glass also comes with a solid brass cap to protect the lens. Simply push the eyepiece in or out to bring the image into clear focus. The 6-inch spyglass is shipped in a beautiful felt-lined brass-inlaid hardwood case. The box features brass side inlets on all sides and the Nagina International Nautical solid brass anchor-with-rope logo on the top