4Pcs Square Drive Sockets - Quick Release Change 1/2-Inch Square Drive to 1/4-Inch Hex Female Screwdriver Drill Bit Socket Converter Chuck Adapters for Air and Electric Impact Wrenches

This is an essential adapter tool if you plan to work on the car or the wooden products around the house. Features： * Converts 1/2" square female threads to 1/4" hex female threads for air or power impact wrenches. * Quick release and safety lock design allows for quick bit changes and increases your productivity. * The socket adapter kit comes with a rubber oring and a locking pin,which can help you better use the product. How to use the pin and o ring? The o ring goes around the socket adapter in the groove and holds the pin in place, like a buffer on the drill shaft and indentation to keep it from coming off the impact. Specification: Color: Black Material: Chromium-vanadium Steel Adapter Size(L*W): Approx.50mm*23mm Front Adapter Diameter: 6.35mm (1/4 Inch Hex Female) Back Adapter Diameter: 12.5mm (1/2 Inch Square Female) Package List: 4 x Socket Adapter Set 4 x Rubber O-Rings 4 x Metal Pins

• PREMIUM QUALITY - These driver impact sockets set is constructed of heavy duty chrome vanadium steel for increased torque and durability hardness.
• QUICK RELEASE - The quick release feature allows to swap the most type of drill bits with hex shank or socket adapter easily while working. It has a good grip to hold the screwdriver attachments.
• SECURITY LOCK DESIGN - has the locking metal pin with the o-ring to keep the drill bit from coming off the impact.
• Adapter securely holds any 1/4" hex-shank bit (including insert bits) 1/2 Inch Square Female to 1/4 Inch Hex Female Socket Adapter.
• WIDE APPLICATION - Convert any air or power impact wrench into a drill or ratcheting wrench into a driver with this single piece chuck converter