Universal Compatibility : Designed to fit most standard 2" x 4" stake pockets on utility trailers, Hotshot, Gooseneck Trailer, and Flatbed Trucks. Lock in dunnage with a pin placement with three hole options, ensuring a perfect fit for various vehicles. Never move a dunnage again, leave it on, LOCK IN Versatile Dunnage Securing Solutions : Fast to install on dunnage and no need to place them before or after loading. No need to store dunnage after unload. Saves an average of 45 minutes each trip. Easy and Quick Installation : Bolt EZ Dunnage to each end of the 4x4 post. Drop EZ Dunnage to each side of the rail pocket, then Lock-in with a pin. Package Content : The package includes 1 EZ Dunnage set with anti-loss cotter pin, and necessary hardware such as bolts, nuts, and pins, designed for secure dunnage to vehicle pipe stake pockets. Worldwide Patents Pending! The EZ Series is a device that secures the Dunnage to any Flatbed Trailer, with a simple Pin placement. This is a great advantage for any Company, Owner Operator, or Hot Shot Driver with a trailer for several reasons. Without the EZ Series, dunnage can move from its original position during transport or during the loading process, costing valuable time. Unsecure dunnage can easily bounce off flatbed trailers with and without loads. Causing property damage and costly insurance claims. Challenging weather conditions such as Heat, Snow, Sleet, and Rain are no longer issues. You can now stay in the comfort of your truck during the loading and offloading process. The EZ Series helps with a quick changeover which saves you valuable time and money.