B-TRAThe BIG system is designed for non-standard panel dimensions and weight. The B-TRA model suggests a trapezoidal shape of the leg. The profiles are of the same dimensions and are placed in three-dimensional shape under a certain angle. Back to System BIG B-TRA IMAGE GALLERY This product is currently not in serial production. Please contact us for more information. Related Leg Models System BigB-A System BigB-P System BigB-U System BigB-X We reserve the right to make technical changes and improvements to the products presented on this website.