Buy High Quality Ladder BracketsEberhard produces single or dual seat arms made from malleable iron castings. Customers have the option to buy a complete seat or just the arms for your application. Different mounting patterns are available and some meet FMVSS302 requirements. A ladder holder is also produced by Eberhard that can be used on our truck roof to secure an extension ladder. Spring action design, malleable iron material, and easy release design.