M-D Ultra High Dome 72" L x 4" W x 1" H Satin Nickel Threshold

High dome top threshold. All purpose heavy-duty extruded aluminum smooth top threshold. Vinyl caulking feet seal bottom of threshold. Comes in 36" or 72" L. x 1" H. x 4" W. Finishes: Mill, bronze, white, brite gold, and satin nickel.