The floor plate extension allows you to connect the floor plate to your gas key valve through thicker installations such as the block around gas fire pits. This extension is 12 inches total length and is cuttable in 1 inch increments. Fits both our 1/2" and 3/4" inch gas key valves. Includes 12" threaded poly pipe and galvanized coupler. Does not include valve, floor plate, or other components.