3/8 Inch Drive x 23 mm Deep 12-Point Impact Socket Quantity:1 Tekton L-keys are made with

Tekton L-keys are made with 8660 nickel chromium molybdenum steel that's heat-treated to HRC 54-58 to produce tools that are hard

Diameter/Pitch: 5/16"-24

Depth:11-7/8" Deep

Part Number: Assortment Kit #1181175 Pieces - Coarse Thread

3/8 Inch Drive x 23 mm Deep 12-Point Impact Socket Quantity:1 Tekton L-keys are made withSize is marked both with a high visibility laser marking and a permanent stamped marking that won't wear off Deep 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 Interior socket well extends far into the socket, which allows for better fastener engagement in more situations Meets a minimum of 1. 3 times the ANSI ASME