SK Tools - 9/16" 3/8" Drive Fractional Swivel Spark Plug Chrome Socket - 4478SK Sockets 9 16" 3 8" Drive Fractional Swivel Spark Plug Chrome Socket 9 16" 3 8" Drive Fractional Swivel Spark Plug Chrome Socket Cold forged with high alloy US steel for maximum strength. SureGripdrive design drives the side of the fastener, not the corner, to provide increased strength and avoid rounding of rusted or damaged fasteners. SuperKromePlating delivers toughest finish with high polish plating which results in jewelry like finish providing
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Cold forged with high alloy US steel for maximum strength.
SureGrip®drive design drives the side of the fastener, not the corner, to provide increased strength and avoid rounding of rusted or damaged fasteners.
SuperKrome®Plating delivers toughest finish with high polish plating which results in jewelry-like finish providing long life and maximum corrosion resistance.