The Bobrick B-540 is a surface-mounted toilet paper dispenser and utility shelf in stainless steel with a satin or matte black finish. The shelf has a 1/4" upward return front edge. The toilet paper dispenser shall have a 3/4" diameter Post. The dispenser bar is 3/8" diameter, secured to the post with a concealed set screw. The retaining pin is 1/4" diameter and pressed into the dispenser bar. Wall plate equipped with two screw holes for attachment. Post and wall plates are to be securely welded as one piece. The dispenser bar shall hold standard-core toilet tissue rolls up to 4-1/2" diameter, which is 500 sheets.