SuperKrome finish provides long life and maximum corrosion resistance. SureGrip hex design drives the side of the fastener, not the corner. Made in the U.S.A.. Lifetime warranty The patented SureGrip hex design not only provides increased strength, but also avoids the rounding of rusted or damaged fasteners, which can occur when using a sharp cornered hex tool. High polish SuperKrome plating results in a jewelry-like finish. SK's 1/4" drive flex sockets provide access needed to get into tight places to remove these small fasteners. This 6 point socket has a .5" diameter and is 1.2" in length.