STEEL MATERIAL; T40H SIZE; 1 INCH OVERALL LENGTH; 1/4 INCH WIDTH ACROSS FLAT; HEX SHANK TYPE; 1/4 INCH SHANK DIAMETER; TORX, STAR PIN SCREWDRIVER BIT TYPE; SCREW SIZE 5/16 INCH; BLADE LENGTH 0.5 INCH; PACKAGING TYPE 1 PER BAG