Our solid steel “Tee” Nut is designed for a wide variety of table manufactures. The dimensions for our Tee Nut are 1-1/4″ wide & 2″ long at the base. It will work on both 3/4″ or 1″ opening slots in your table top. Within industry standard 1/2″-13 threaded hole, it will work with most existing setups . Please call for custom sizes or modifications.