Trusted by professionals, the Capri Tools high performance sockets are what you need for the job at hand Premium Chrome Vanadium steel tempered with our proprietary heat treatment process to withstand more torque Flawless MaxChrome plating, achieved through thorough polishing and careful application of chrome protective plating, ensures durability and corrosion resistance Precise 12-point socket with WaveDrive design grips fasteners more tightly than traditional design, preventing fastener rounding and giving you more leverage Single 3/8 in. drive, 11/16 in. size 12-point deep socket, Weight: 0.25 pounds, Manufacturer: Capri Tools