Swim platform from Whitecap is constructed from teak for the utmost in durability. The teak wood is resistant to rotting, warping, and damaging weather elements. The step comes with stainless steel mounting hardware for easy and quick installation. 18"W x 15"D x 1-5/16" thick. For use on boats with I/O motor Comes with mounting hardware | Whitecap Teak Swim Platform With Dual Handrails