Product DescriptionAluminum ladder, OSHA rated 300-lb. Special Duty. Meets or exceeds ANSI 14.2 specifications. Designed as a free-standing ladder for Boeing 757 and 767 engine pylon area, and the MD-88 and MD-90 engine areas. Composed of aluminum construction frame with 6061-grade aluminum base Pylon LockNClimb frame. Commercial grade wheels mounted on sides of pylon. Folding connectors for easy transport and storage. Rubber padding on back rails and treads protects aircraft surfaces from damage. Rubber bumpers on side protect ladders from accident al dropping on concrete or pavement surface. Equipped with two (2) LockNStands to provide durable comfortable for extended standing and a LockNTray. Do Not Stand stickers placed above safe stand area. Stickers indicate OSHA/ANSI 1 4.2 compliance.