CRAFTSMAN Socket, Metric, 1/2-Inch Drive, 27mm, 12-Point (CMMT12087)

Deep sockets feature deep well construction and internal construction designed to engage with the flats of fasteners. This allows for the user to reach those receeded difficult to reach fasteners and torque without the fear of stripping a bolt. Deep sockets come in a broad range of SAE and metric sizes, have large size markings for quick identification, and a full polish chrome finish helps improve corrosion resistance.