12" x 48" Aluminum Base Plate is made with 8mm AWT6 6082 Aluminum Plate. Jerry Stage Truss products utilize industry standard dimensions to be compatible to connect to/with many other manufacturers trussing. TUV Is a 3rd Party Certification Body and a Nationally Recognized Testing Laboratory (NRTL). TUV provides inspections, testing, certification & training, with the ultimate objectives of reliability, safety & high quality. Jerry Stage 12" x 48" Aluminum Base Plate Features: Manufactured in Jerry Stage‘s own factory. Material: 8mm EN-AWT6 6082 Aluminum. TUV Certified Manufacturing. Fits most manufacturers with F34 Conical Couplers.