VERSATILE - The E-Track Wood Beam End Sockets fit for 2x4 & 2x6 bracket and wood beams, to design custom shelves and storage space for your cargo in Box Truck, Enclosed Trailer, Garage, Van, RV, Pickup, Warehouse, Workshop etc. PORTABLE - Come with E track Tie Down Slots and screws, the Etrack shelf brackets can be flexible used anywhere, save space and improve the utilization of your e-track rails. Easily and quickly mount them even in confined spaces. EASY TO USE - The Beam Sockets allow you to create removable load lock bars, vertical level dividers for decking cargo, custom cabinets and shelves, or build shelving, beds, dividers, cargo restraints etc. They have easy THREE SECOND installation - press the levers and insert it into E-Track/X-Port rails or E-Port Slot. DURABLE & LONG-LASTING: - The E track board holders and 1-slot Plates are made of high strength alloy steel with black powder-coated surface finish. Excellent corrosion resistance and rust prevention. Each bracket with slot has a breaking strength of 4,500 pounds and a safe working load limit of 1,500 pounds. 100% SATISFACTION GUARANTEE - We stand behind the quality of our products. Any questions or suggestions, Please feel free to contact us at any time, you will have a satisfactory reply in 24 hours. Add shelving, lashing points or shoring beams to any E-Track cargo area. Create removable load lock bars, vertical level dividers for decking cargo, custom cabinets and shelves. It allows you to build shelving, beds, dividers, and cargo restraints very quickly and easily. Easily adjustable for different mounting points. Just screw 2x4/2x6 Wooden beams into these heavy duty wood beam end sockets. Come with E-Port Slot Tie Down Anchors, each slot contains 2 screws, easily and quickly mount them. It can be flexible used anywhere, load and unload at any time.