The Motobilt Roll Cage Foot is sold as a single plate. It is CNC Laser cut from high strength 3/16 inch thick steel plate. The outside dimensions are 4 inch x 5 inch. The bolt hole pattern is 3 inch x 4 inch. The bolt hole diameter is 3/8 inch. This is considered a universal tab for mounting roll cages and other parts. When mounting a roll cage it is recommended to use two plates per mounting point. One on top and bottom of the sheet metal tub. The bottom plate can then securely mounted to the chassis.