Putco 49859 Locker Side RailsSpecifications Brand: Putco Part Number: 49859 UPC: 010536103052 Add the largest round bed rails in the market to your vehicle with Putco Boss locker truck bed rails. These large truck bed side rails are 2. 5 inches around, which is 43% larger than most other side rails. Constructed out of Putco NeverRust T 304 stainless steel. The rails are polished to match your OE chrome. Every tie down point can handle 1000 lbs. Installing is made easy with no