Folding step from Sea-Dog features a sturdy chrome-plated brass construction for the ultimate in durability. Designed for corrosion-resistance and long-lasting use. Convenient fold-out design lets you move step completely out of the way when it's not needed. 4-5/16"H x 3-1/4"W when step is recessed. Step measures 3-1/4"W x 2"D when folded out for use.