This shape weathestrip is used on the jambs of wood windows with interlocking style weatherstrip. See details below. This particular size is normally used on the upper side of 1-3/8" thick sash. Other sizes available below. Also available in Zinc. See below. Measures 1-3/8" wide. Nails sold separately. Jamb Weatherstrip Standard 4CB x 36"$13.32, 10/$106.56 Detail of Jamb Section Jamb Weatherstrip Standard 1-3/4" Wide BronzeNormally used on the lower side of 1-3/8" thick sash and the upper side of 1-3/4" thick sash. Measures 1-3/4" wide. 7CB x 36"$15.60, 10/$124.80 Jamb Weatherstrip Standard 2" Wide BronzeNormally used on the lower side of 1-3/4" thick sash or on the upper side of 2" thick sash. Measures 2" wide. 9CB x 36"$17.04, 10/$136.30 Jamb Weatherstrip Standard 1-3/8" Wide ZincNormally used on the upper side of 1-3/8" thick sash. Measures 1-3/8" wide. 4C x 36"$5.75, 20/$92.00 Jamb Weatherstrip Standard 1-3/4" Wide ZincNormally used on the Lower Side of 1-3/8" thick sash and on the upper side of 1-3/4" thick sash. Measures 1-3/4" wide. 7C x 36"$6.67, 20/$106.77 Jamb Weatherstrip Standard 2" Wide ZincNormally used on the lower side of 1-3/4" thick sash and on the upper side of 2" thick sash. Measures 2" wide. 9C$7.88, 20/$126.08 Nail Stainless 3/4" x 17Stainless steel nails suitable for weatherstrip. 2 oz. package. Contains about 200 nails. If you use 1 nail every 1-1/2" this will fasten 25 feet of weatherstrip. 5061379$1.99 Coppered Nails 3/4" x 17Copper plated steel nails suitable for weatherstripping. Traditionally used with spring bronze weatherstrip. 1-1/2 oz. package. Contains about 150 nails. If you nail every 1-1/2" this will fasten 18 feet 9 inches of weatherstrip. If you nail every 2" this will fasten 25 feet of weatherstrip. If you nail every 1.6" 5 packages will fasten 100 feet. 51758$1.19, 5/$4.50