STANLEY STHT60783 STANDARD FLUTED STANDARD BLADE/SLOTTED TIP 1/4"" X 4"" ERGONOMIC QUAD-LOBULAR (FOUR-SIDED) HANDLES WITH SLIP- TEXTURED GRIP FOR COMFORT AND EXTRA TORQUE. COLOR-CODED HANDLES FOR EASY TIP IDENTIFICATION. PHILLIPS TIPS - COLD FORMED FOR MORE CONSISTENT DIMENSIONS. SQUARE TIPS - COLD FORMED TAPERED TIP ALLOWING INTERFERENCE WITH SCREW FOR A ONE-HANDED OPERATION. ALL SQUARE TIPS WILL BE BLACK OXIDE FOR PRECISION AND BETTER SCREW FIT. HEAT-TREATED ALLOY STEEL BARS HOLD UP TO REPEATED USE. NICKEL-PLATED BARS FOR CORROSION RESISTANCE. SETS FEATURE POPULAR SIZES TO SATISFY WIDE RANGE OF FASTENING NEEDS.