Weatherstrip, Insert Type Hollow Bulb, Insert Material Silicone, Insert Color Black, Insert Size 5/16 in, Flange Material Aluminum, Flange Color Gray, Flange Finish Mill, Flange Height 7/8 in, Flange Width 7/8 in, Flange Thickness 1/16 in, Overall Length 36 in, Overall Width 1 1/4 in, Stays Flexible to 10 Degrees F, Projection 1/4 in, Mounting Type Fastened by Screws, Max. Door Gap 5/16 in, Fire Rated 2 hr, For Use With Doors, Includes #6 x 3/4 in Stainless Sheet Metal Screws, Hardware Included