3/8 DRIVE 13MM METRIC 12 POINT DEEP CHROME SOCKET BD13M2A | eBaydiy Tools

Opti-Torque(TM) applies torque to fastener sides, not corners which allows more torque to fastener and longer life
Counter-Torque(TM) distributes the torquing stress uniformly throughout the socket extending socket life
Hi-Visibility to identify socket sizes at a glance with oversized laser markings (blue for metric)
Made of new high strength material