Blow the competition away with the Tinnitus Designs Magnum Golf Ball Marker. This stainless steel and brass marker is an exact one-to-one scale .357 Magnum Revolver Cylinder and case heads. It's large enough that you won't lose it in your pocket and small enough that you wont notice you're carrying it. Roughly the size of a poker chip and weighs just under 1.5oz. Machined and assembled in the US from US sourced raw materials.