Hook style meeting rail weatherstrip for double hung wood windows. The smaller hook is fastened to the lower sash and the larger hook is fastened to the upper sash. See detail below. Nails available separately. These strips are also used to weatherstrip doors. M1/M2B x 36"$16.92, 10/$135.40 Detail Of Meeting Rail Large Hook BronzeMeasures 3/4" wide. M1B x 36"$8.46, 20/$135.40 Small Hook BronzeMeasures 5/8" wide. M2B x 36"$8.46, 20/$135.40 Meeting Rail Weatherstrip Hook Style Zinc M1/M2Z x 36"$8.80, 20/$140.79 Large Hook ZincMeasures 3/4" wide. M1Z x 36"$4.52, 40/$144.63 Small Hook ZincMeasures 5/8" wide. M2Z x 36"$4.28, 40/$136.95 Hemmed Hook Meeting Rail Weatherstrip BronzeThis is an alternative to the hook style weatherstrip shown above. The installation is the same. Used with M4B double flat. M3B x 36"$10.08, 20/$161.30 Double Flat Meeting Rail Weatherstrip BronzeThis is an alternative to the hook style weatherstrip shown above. The installation is the same. Used with M3B hemmed hook. M4B x 36"$10.08, 20/$161.30 Hemmed Hook Meeting Rail Weatherstrip ZincThis is an alternative to the hook style weatherstrip shown above. The installation is the same. Used with M4Z double flat. M3Z x 36"$4.80, 40/$153.58 Double Flat Meeting Rail Weatherstrip ZincThis is an alternative to the hook style weatherstrip shown above. The installation is the same. Used with M3Z hemmed hook. M4Z x 36"$4.80, 40/$153.58 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 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