3-1/2 inch x 7/8 inch x 36", up to 1-5/16", premium adjustable threshold, adjustment to seal uneven gaps between bottom of door & floor. This product adds a great value. Product is highly durable and very easy to use. This product is manufactured in china.
Frost King Premium Adjustable Aluminum Threshold is a separate central section that can be adjusted up or down to provide the best possible weather-seal for your door clearance.

1-800-526-5265