M-D Building Products 49000 M-D U-Shape Door Bottom, 36 in L X 1-3/4 in W, Vinyl, quot, Satin Nickel 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 powder coated white finish Vinyl seal provides all-season protection against drafts, moisture, dust and insects Satin Nickel finish