Proto 3/8″ Drive Torque Adapters – 12 Point

• 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.

Additional Features

• Box end wall thickness is specially engineered to provide strength while still allowing ample room for access to reach difficult fasteners.