M-D Building Products 49006 M-D Deluxe High Threshold with Vinyl Seal, 36 in L X 3-3/4 in W X 1-1/8 in H, Aluminum, 3-3/4" 1-1/8" H, Satin Nickel Heavy duty aluminum and vinyl for long lasting seal and durability Vinyl strips on base provide a weathertight seal against floor Seals gaps up to 1 inch high Fasteners included 3-3/4-inches wide by 1-1/8-inches high by 36 inches wide