James Thomas Engineering truss manufacturer's General Purpose Truss, also simply known as Thomas Truss, is one of the most common truss products used in event production. General Purpose(GP) truss is constructed out of aluminum tubing and is designed for top performance at conferences, exhibitions, and small venue work. Suitable sleeve blocks and towers can be incorporated with this truss to build the JTE Ground Support System. We offer 12 x 12 GP truss in a variety of lengths. Please refer to the Load Chart tab for all allowable load data, and download the JTE GP/Thomas Truss 12 x 12 spec sheet for reference. Bolts are included for assembly.