Adapt any 1/4-Inch square wrench opening to 3/16-Inch and 5/16-Inch hex head sizes. This spring loaded ball bearing adapter locks securely into wrench. Fits Klein Refrigeration Wrenches 86938 and 68310 and provides an easy ratcheting action for hard to reach valves. Perfect for heating, AC, and refrigeration applications. Made in the USA.

• Hex Key provides access to 3/16-Inch and 5/16-Inch hard to reach valves
• Adapter fits 1/4-Inch square wrench opening
• Spring loaded ball bearing locks securely into wrench
• Fits with Klein Refrigeration Wrenches 86938 and 68310 for easy ratcheting action
• Made in USA
• Perfect for heating, AC, and refrigeration applications
• Black oxide coating