- Black Oxide Finish.
- For use on extra large fasteners up to 4”.
- Used in Mining, Oil & Gas, Industrial Construction.
- Forged heads with machined openings.
- 12 point box end allows for fine indexing, helping to improve speed and access. Fits 4, 6 and 12 point fasteners.
- Box end is countersunk for easy application to the fastener.
- Available in Standard and Metric Sizes.
- Open End Width: 5-1/2"
- Box End Width: 4-3/4"
- Box End Thickness: 1-11/16"