The MULTY Adjustable Side Rails are the ultimate solution for truck owners who demand the best. Expertly crafted from heavy-duty aluminum and powder-coated to withstand even the harshest conditions, these side rails are designed to last a lifetime. Our innovative one-size-fits-all design ensures that one model can fit many different vehicles, and the rear pockets on the side rails allow for future use of MULTY accessories such as the MULTY ladder rack and MULTY lumber rack. The UHMW bushings installed on telescoping parts ensure a smooth and hassle-free installation process. MULTY Bike Rack or MULTY Headache Rack is required for installation and use of these side rails. This model of MULTY bed rails is compatible with short box trucks from 5' to 7'. Our other XL model of bed rails is compatible with truck beds from 8' to 8.5'