PHILLIPS/SLOTTED TYPE; CARBON STEEL MATERIAL; ZINC PLATED FINISH; 4 INCH; 4 LENGTH - DECIMAL; 4 LENGTH - FRACTIONAL; 3/16 INCH NOMINAL SIZE; .1875 NOMINAL SIZE - DECIMAL; 3/16 NOMINAL SIZE - FRACTIONAL; MUSHROOM HEAD STYLE; 1/2 INCH DRILL SIZE