3/8 Inch Drive x 11/16 Inch Shallow 12-Point Impact Socket BoltsandNuts.com Carbon steel hex dies are

Carbon steel hex dies are for re-threading or cleaning bruised or rusty threads

Part Number: EZ-EK31715

Part Number: EZ-M1011

The long shank is also ideal for reaching holes inaccessible with standard length taps

Part Number: Assortment Kit #2753555 Pieces - Coarse Thread

3/8 Inch Drive x 11/16 Inch Shallow 12-Point Impact Socket BoltsandNuts.com Carbon steel hex dies areSize 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