M-D Building Products 82578 36-Inch L-Shaped Replacement Door Bottom with Vinyl Product Description Fits 1-3/4 inch thick by 36 inch wide doors. Seals up to 7/16 inch gap between bottom of door and threshold. Durable white vinyl construction. Vinyl seal provides all-season protection against drafts, moisture, dust and insects. Slotted screw holes for easy adjustment. Fits 1-3/4-inch thick by 36-inch wide doors. Seals up to 7/16-inch gap between bottom of door and threshold. Durable white vinyl construction. From the Manufacturer 36-Inch L-Shaped Rigid Vinyl Door Bottom with flexible vinyl fins. Screws Included. For Use With Saddle Threshold. Fits 1-3/4-Inch Doors. Designed to be used with smooth top thresholds to seal out drafts from the bottom of your door. Helps make your home more comfortable Features This product is a Bi fold door hardware Seals up to 7/16-inch gap between bottom of door and threshold Durable white vinyl construction USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.