National Hardware S730-820 Stanley Tandem Bracket Set 5-5/16 Inch Length Galvanized

Garage door tandem brackets finish is hot dipped galvanized For use on heavy overhead sectional wood and steel garage doors requiring four extension springs. Each package contains a front and rear bracket for coupling two springs in tandem. Two brackets are required for new installation. Used with 4 inch pulley and fork and 14 feet heavy duty lift cable. Manufactured from 16 gauge steel. Hex head bolts and hex nuts included.