1-88-738 STANLEY 1/2 6 PT STANDARD SOCKET 16MMThe STANLEY 1 88 738 is a 16mm 1 2" drive 6 point standard socket designed for manual use. Crafted from high quality chrome vanadium steel, it features a chrome plated finish for exceptional resistance to rust. The socket incorporates the Maxi Drive? system, which provides a rounded gripping surface to allow for 15% more torque and helps reduce fastener rounding.