This Louisville 4 foot PRO Shelf ladder has a load capacity of 300lbs, rated ANSI Type IA. This ladder is equipped with our patented ProTop specially designed to increase productivity. This innovative “V” shaped ProTop features a corner grip, pole grip, integrated bumper, and work tray with magnet and multiple tool slots; all compact and accessible in a spacious design. The bottom of the ladder is flared for stability and comes with SHOX and DaBoot for superior impact absorption. The Louisville FH1504 fiberglass PRO Shelf ladder meets or exceeds the safety standards set by ANSI, CSA, and OSHA.