Flambeau MAD Heavy Metal Turkey Box Call: * Box is uniquely constructed of black, anodized T6-6061 aircraft grade aluminum * Underside of American walnut lid is coated with a proprietary formula that makes this box call waterproof and chalk-free * Lethal combination of wood and aluminum yields realistic, high pitched turkey calls peaking over 15,000 Hz * Hardwood end blocks are angled to produce a different pitch on each side of the box * Aluminum box can be "tuned" by varying hand position * Wood/aluminum construction