Preformed Line Products BG-2148 Big-Grip Dead-end. GALVANIZED STRAND. For use on: Extra High Strength, Siemens Martin High Strength, Utilities Grade. 7/16", Strand construction 7W, Actual Diameter .435", Approx. Length 40", Green, Rated Holding Strength (lbs) 20,800.(Percent of Strandes Rated Breaking Strength - 100%)