Box End Torque Wrench Heads – H4 Tang

> The Proto® TorquePlus™ Design, a high performance drive configuration which allows for quick and easy wrench engagement with the fastener flats, not the corners.
> 12 point box end allows for fine indexing, helping to improve speed and access.
> Fits 4, 6 and 12 point fasteners.
> Indexed to 7.5º to help keep shank clear of obstructions by allowing the user to flip the wrench over to continue turning the fastener.
> Countersunk on both sides to allow for easy application to the fastener.