Crescent Drive Socket, Measuring Type: Metric, Drive Size: 3/8 in, Drive End Outside Diameter: 0.87 in, Number of Points: 12, Socket Size: 16 mm, Socket Type: Standard, Nut End Outside Diameter: 0.87 in, Nut Depth: 0.63 in, Bolt Clearance Depth: 0.56 in, 1 in OAL, Alloy Steel, Full Polished Chrome