For 1-3/4" Exterior Doors This CRL Wrap Around Combination Door Shoe with Vinyl is designed to easily fit on the base of a 1-3/4 inch (44.5 millimeter) thick exterior doors. Vinyl fingers on the insert material compress against the threshold to ensure water and air-tight seal and a "rain drip" feature keeps heavy rain away from base of door. The door does not have to be removed for installation. for a three-foot (0.9 meter) opening, (overall size 36-1/2 inches (92.7 centimeters), with an overall height of 1-1/4 inches (31.8 millimeters), it comes with screws for easy installation.