6 Aluminum 2X Eye Loupes For Jewelers, Coin & Stamp Collectors This is a new set of 6 aluminum 2X eye loupes Great for jewelers and viewing stamps, coins, beads and gemstones These high quality loupes are durable and lightweight Has distortion free lenses It is black on the inside of the aluminum housing to eliminate glare Each has a focal distance of 4 1/2" (101.5 mm) Newer versions of the item shown may be shipped, as a result, there may be a slight variation in color and design.