Frost King DT36/36A Top Threshold, 36 in L, 3-3/4 in W, Aluminum/Vinyl, Silver

3-3/4 inch wide by 36 inch long, 3/4 inch height, super deluxe aluminum threshold, low rug, ideal for residential use, heavy extruded aluminum threshold with replaceable vinyl insert, use replacement insert model rv/36h item #u387032. With vinyl insert top and vinyl feet for tighter entry way seal.