- Non-reflective black oxide finish for use where non-plated products are required.
- Fits most 4, 6 and 12 point fasteners.
- Designed for heavy use in close quarters where hammer or sledge is required to loosen frozen nuts or set large fasteners.
- Heavy box walls provide greater torque transmission
- Box opening remains on fastener when wrench is struck
- High strength rectangular design withstands heavy sledging
