NOS Stanley Proto J5770 2-3/16″ socket. 1″ drive. USA made

One New Proto Professional J5770 2-3/16″ socket. 1″ drive.​ 12 point. $128 list
Proto 12 Point Sockets are ideal for use on stubborn or damaged fasteners and also on fasteners made from soft materials

• The TorquePlus design is a high performance drive configuration which allows for quick and easy socket engagement
• The TorquePlus configuration employs a radius-corner design, shifting contact area and stress away from the fastener corners
• The TorquePlus internal design minimizes fastener rounding, helps to extend fastener life