HEX HEAD TYPE; STEEL MATERIAL; ZINC PLATED FINISH; 3-1/2 INCH; 1/4 INCH NOMINAL DIAMETER; GIMLET POINT END TYPE; HEX DRIVE STYLE; HEX SIZE 7/16"; USED ON MATERIAL BRICK, CONCRETE, MORTAR, WOOD; PACKAGING QUANTITY 100 PER PACK, 1000 PER MASTER CARTON