Proto 3/8" Drive, Torque Wrench Box Adapter, 7/8" Af, 12 Pt, Steel Chrome, 3.1/32"L 5128

• Designed for easy torque calibrations.
• Adapters measure 2" 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. Fits 4, 6 and 12 point fasteners.

Specifications

• DRIVE SIZE [IN]: 3/8
• SIZE [IN] :7/8
• HEAD WIDTH 1 [IN] :1-17/64
• HEAD DEPTH [IN] :33/64
• OUTSIDE HEAD WIDTH 1 [IN] :1-17/64
• OVERALL LENGTH [IN]: 3-1/32
• WEIGHT [LBS]: 0.16
• FINISH :Full Polish
• UNIT OF MEASURE :Fractional