This Louisville 4 ft fiberglass cross step ladder has a type IA duty rating with load capacity of 300 lb. This ladder combines the shelf and step ladder for a 2-in-1 combination made to take on multiple placement locations. The shelf design and its unique ProTop? and innovative locking mechanism allows for positioning against a wall, building or pole. When unlocked, this ladder sets up as a regular step ladder. The angles of the step ladder allow the capability to get closer to the work area. The cross-step ladder is equipped with a V-shape ProTop? with non-marring slip-resistant rubber tread that allows it to be placed safely on corners and poles. This ladder's ProTop? also features a magnet and multiple slots that allow quick and easy access to your tools.