M-D Building Products 78618 1-1/8-Inch by 5-5/8-Inch - 73-Inch TH394 Adjustable Aluminum and Hardwood Sill Inswing, Mill Fits doors up to 73-Inch wide Seals gaps from 1-1/8-Inch to 1-3/8-Inch high between bottom of door and floor All season protection against drafts, moisture, dust and insects Adjustable oak riser provides a weather tight seal at bottom of door Mill finish Product Description Deluxe model adjustable height threshold. Oak riser adjusts to seal gaps under your door from 1-1/8-Inch to 1-3/8-Inch Heavy duty aluminum and oak design assures years of protection from the elements. Installing a threshold will help to seal out drafts from the bottom of your door. A door sweep is recommended to be used with this threshold to provide the best weather-tight seal. Make your home more comfortable and save energy at the same time.