Great benefit to a senior dog struggling with steps. Newly installed. Dimensions: length: 8ft width: 22" ( inside of lip - 20") Height of my porch: 48" Notched for two steps each 11" high and 11" tread Can easily be retrofitted Asking $275 or BO Will deliver locally. Will include free portable dog car ramp A. Holtz. aholtz@ovarts.org