3 IN 1 Black Wood Plyo Games Plyometric Jump BoxGain more height and explosiveness using Randy & Travis Machinery's versatile three in one plyometric box to train your vertical leap. Turn the box three ways to start small and work your way up to a full 30 inches. Set it up with the large base at the bottom, and you'll have a 20 inch platform. Set it up with the medium base, and it's a 24 inch platform. Use the smallest base, and you'll have a full 30 inch high platform to train on. Made from sturdy