4 E-Track Wood Beam End Socket Shelf Brackets w/E Track Fittings, For 2×4 & 2×6 in Truck, Trailer, Van, RV, Cargo Tie-Down Systems, ETrack Tiedowns for Custom Load Bar, Handmade Cabinet, Shelves Make sure this fits by entering your model number.; These Best Selling Shoring Beam Cargo Bar Wood Beam End Socket Shelf Brackets Have E Track Spring Fitting Attachments That You Can Insert Into A Slot On Etrack rails or singles and are also compatible with the A-track trailer tie-down system Pete build the ultimate DIY 2×4 shelving for basement storage for around $80 and minimal cuts. OK, they could be DIY garage storage shelves too. Basically, if you have a 2×4 nailed horizontally to the wall, you can build this spine tester in about two minutes. Here’s the steps, summarizing the video: You can assemble this Edsal heavy duty steel shelving unit vertically as shelves or horizontally as a workbench for your office or home. Its neutral color goes with everything in your home. .