SLEEVE TYPE; STEEL MATERIAL; ZINC PLATED FINISH; 4 INCH ANCHOR LENGTH; 2700 PSI (TENSION STRENGTH), 3250 PSI (SHEAR STRENGTH) LOAD RATING; 3/8 INCH DRILL SIZE; HEX NUT HEAD TYPE; 1/2 INCH ANCHOR SIZE; 1.625 INCH EMBED DEPTH; HEAD DIAMETER 0.5 INCH