Proto Torque Adapter, Imperial Wrench Opening Type, 3/8 in Drive, 5/8 in Wrench Opening, 2-55/64 in Overall Length, 12 Points, Alloy Steel, Full Polished

ITEM FEATURES:

• Designed for easy torque calibrations
• Adapters measure 2 in 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