4-step removable folding ladder anodized aluminum.Ladder is constructed of 1" anodized aluminum tubing. 2.25" Deep/Wide injection molded, plastic steps. Folds and locks for compact storage. UV resistant. Includes EFD Mounting Cups for easy installation and quick removal. Hook Depth - 6". Step Height - 10" (each step is 10" apart). Dimensions - 5"L x 44.5"H x 15.5"W.