Putco 88859 Black Powder Coated Locker Side RailsSpecifications Brand: Putco Part Number: 88859 UPC: 010536995886 The best rated round tube truck bed rails with tie down ends are the classic locker rails. Made from polished 304 premium stainless steel tubing. These round tube bed rails are 1. 75" and feature chromed sanctioned anchor point tie down ends with a 500 lbs load capacity per end. They look wicked awesome and always come in handy for helping secure whatever you're hauling in the cargo box.