The Bigger Digger paddle is 2 1/4" tall X 18 1/2" wide and is recommended for use on high horsepower vehicles for Sand or Mud Drags , Hill & Hole mud racing, and Mud Bogg applications. make sure you add around 4" in height to the tire you choose for overall height you are looking for. Each set of tires are custom made to your particular racing application. For extra strength, layers of Kevlar can be added! For nitrous oxide & blown applications over 1500hp at least 1 lay of kevlar should be added and 2 layers from 1800-2400hp - over 2400hp 3 layer is recommended! Choose tire size, staggered or in-line paddle and kevlar in dropdown boxes when ordering!