The steel ladder bracket is used in cable routing systems to support the 6x4 and 4x4 FiberRunner Systems by directly attaching to any 0.375 inch L x 1.5 inch H (9.5mm x 38.1mm) or 0.375 inch L x 2 inch H (9.5mm x 50.8mm) ladder rack rails. It does not require a threaded rod. The ladder bracket includes hardware for mounting channel to bracket.