Weatherstrip Insert Type Hollow Bulb Insert Material Silicone Insert Color Black Insert Size 5/16 in Flange Material Aluminum Flange Color Gray Flange Finish Dark Bronze Flange Height 7/8 in Flange Width 7/8 in Flange Thickness 1/16 in Overall Length 84 in Overall Width 1 1/4 in Stays Flexible to 20 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