1-88-791 STANLEY 1/2 12 PT STANDARD SOCKET 19MMThe STANLEY 1 88 791 is a 19mm 1 2" drive 12 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.