12 E Track Wood Beam Sockets Wood Holders Enclosed Trailers Decking Logistic Lot of 12 Brand New Wood Beam Sockets Made from heavy duty zinc plated steel with spring loaded latching trigger and locking design Fits 2x4 and 2x6 Sized Beams Great for Commercial truck trailers, Utility Trailers, Enclosed Trailers, Farm and Nursery shipping ap cations, Ocean Shipping Containers, Moving and Storage Trailers and many more uses