Cold forged with high alloy steel for maximum strength High polish SuperKrome plating results in a jewelry-like finish providing long life and maximum corrosion resistance. The SureGrip Drive Design drives the side of the fastener, not the corner. This not oly provides increased strength, but also avoids the rounding of rusted or damaged fasteners, which hcan occur when using a sharp-cornered hex tool. External hex bolster also allows for extra turning power