Overhead Door Frame Seal Set, Insert Type Brush, Length 4 ft and 5 ft, Flange Height 7/8 in, Flange Width 7/8 in, Flange Material Aluminum, Insert Size 1 in, Projection 5/8 in, Insert Material Nylon Brush, Flange Thickness 0.062 in, Insert Color Gray, Stays Flexible to (Deg. F) -70 Degrees to 160 Degrees , For Use With 8 x 10 ft Door, Includes (2) 4 ft Length Seals, (4) 5 ft Length Seals, #6 x 3/4 in Stainless Steel Sheet Metal Screws, Standards BHMA Certified