The LocknClimb MROTRUCK Ergonomic Safety Ladder is a stable platform for engine maintenance and overhauls. The base fits around tires to allow close proximity, and it allows techs to reach the windshield and running lights easily. This ladder can support two people working side-by-side. The product is made from a patented 6061 industrial aluminum base, is OSHA rated to 500 lbs and exceeds OSHA and ANSI specifications. This ladder is field tested and designed by mechanics, and is 100 percent made by hand in the U.S.A.