CRAFTSMAN Socket, Metric, 1/2-Inch Drive, 27mm, 12-Point (CMMT12087) 1/2-inch Drive 12 Point 27mm Socket features a deep well construction and internal construction designed to engage with the flats of fasteners. This allows for the user to reach those receded difficult to reach fasteners and torque without the fear of stripping a bolt. 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. Features QUICK IDENTIFICATION: Large markings for socket identification CORROSION RESISTANCE: metric socket has Full Polish Chrome Finish INCREASED ACCESSIBILITY: Deep Socket for increased accessibility QUICK FASTENER ENGAGEMENT: 12 Point Socket USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.