Product DescriptionFiberglass ladder 27″ wide with patented LockNClimb stabilization system installed. These ladders are used for maintenance on engines in the shop. These sturdy and lightweight fiberglass ladders are OSHA rated300-lb. 1-A Special Duty and meet ANSI 14.5 requirements.They allow close ergonomic working access to mechanical parts and fixtures within the ladder rails for added safety. Padding on exterior rail and tread faces protect sensitive aircraft engine surfaces. Comes equipped with two LockNStands and one LockNTray detachable tool tray.