STANLEY 66-565 6 PIECE VINYL GRIP DIY SCREWDRIVER SET FEATURES: VINYL GRIP HANDLE PROVIDES EXTRA TORQUE CAPABILITY, GREATER COMFORT, AND A SLIP GRIP ACETATE HANDLE BUILT FOR STRENGTH FLANGES ON THE BLADE INSIDE THE HANDLE PROVIDE A SOLID, TWIST- BLADE BLACK OXIDE TIPS FOR USE IN ELECTRICAL APPLICATIONS BARS ARE FULLY GROUND AND POLISHED, THEN CHROME PLATED FOR CORROSION RESISTANCE BARS ARE MADE OF ALLOY STEEL AND HEAT-TREATED FOR STRENGTH AND DURABILITY NICKEL-PLATED BARS INCLUDES: 3/16 X 3 IN, 3/16 X 6 IN CABINET SLOTTED TIP 1/4 X 4 IN, 5/16 X 6 IN STANDARD SLOTTED TIP #1 X 3 IN, #2 X 4 IN PHILLIPS TIP