3/8 Inch Drive x 11 mm Shallow 12-Point Impact Socket BoltsandNuts.com and a pilot that is

and a pilot that is interchangable

Part Number: BIT-DEWSFC1/2-90

and 22 adjustment positions

Part Number: BIT-DAM24X3/4

3/8 Inch Drive x 11 mm Shallow 12-Point Impact Socket BoltsandNuts.com and a pilot that isSize is marked both with a high visibility laser marking and a permanent stamped marking that won't wear off Shallow 12 point socket opening provides an exact fit for 12 point fasteners Radiused corners prevent fastener round off by applying force to a fastener's flat sides, rather than its corners Meets a minimum of 1. 3 times the ANSI ASME standard for proof torque Detent pin hole on one side allows works with both friction ring and detent pin