This tool is not offered in 7/16" through Northern Tool.
Proto 3/8in. Drive Torque Adapter, 7/8in., Model# J5128

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- Designed for easy torque calibrations
- Adapters measure 2in. from the center of the square drive to the center of the adapter opening
- Special heat-treated alloy steel helps to increase strength and durability
- Box end wall thickness is specially engineered to provide strength while still allowing ample room for access to reach difficult fasteners
- 12 point box end allows for fine indexing, helping to improve speed and access
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