Deep V steps are designed to mount to a 3.5” or 3 wide trailer tongue. If your tongue is more narrow or wider please contact us before you order so we can insure you get the correct mounting plate for your trailer. - From top of the tongue to the top of the top step is 30.75 when mounted - Fits bow heights up to 41 (measured from top of tongue to top of bow) - Designed specifically for deep V style boats You must have at least 4” of flat space on the top of your trailer tongue for these steps to be mounted. In some instances you may need a hitch extension to use your hatch on SUVs. Each set of steps and grab handle are media blasted and powder coated black to ensure extreme longevity of the finished product. Made in USA using USA materials. All steps are designed and manufactured in USA using only materials sourced from USA vendors.