3/8" Square Drive Size Extensions

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137 Products

Socket Adapters and Extensions

Socket Extensions

Extend your socket's reach.

Electrical-Insulating Socket Extensions

Safely extend your reach in areas where you could accidentally come into contact with live circuits.

Wobble Socket Extensions

The male ends of these extensions are rounded, so they can pivot to use your tool at an angle.

Socket Extension Sets

Keep common extension lengths on hand to reach a variety of spots—just attach them to your socket.

Secure-Hold Socket Extension Sets

Reach a variety of spots with the confidence that your extension won’t disengage.

Wobble Socket Extension Sets

Tighten and loosen fasteners in hard-to-reach spots with a variety of extensions that lengthen the reach of your socket.

Flexible Socket Extension Sets

Bend these extensions to reach inconveniently located fasteners. These sets include multiple extension lengths, so you can find the right length to reach around obstructions.

Secure-Hold Socket Extensions

Lock your socket into these extensions to prevent accidental disengagement.

Flexible Socket Extensions

Bend these socket extensions around obstructions to turn hard-to-reach fasteners.

Square Drive Size Adapters

Convert from one square drive size to another.

Convertible Square Drive Size Adapters

Push the square drive through the adapter to change size.

Electrical-Insulating Square Drive Size Adapters

These adapters are insulated to protect against accidental contact with live electrical circuits. They are tested to 1,000 volts to meet IEC 60900.

Adjustable Torque-Limiting Socket Adapters

Set a desired torque within the range.

Factory-Set Torque-Limiting Socket Adapters

Adapters are set to a specific torque and cannot be adjusted.

Torque-and-Angle Measuring Socket Adapters

A digital display shows how torque measurements change as you turn the wrench. Set the desired torque and angle—lights and an audible alarm indicate when target has been reached or exceeded.

Hex Shank to Square Drive Adapters

Turn sockets with a bit screwdriver.

Secure-Hold Socket Adapters

Lock the adapter on your tool and the socket to the adapter to prevent accidental disengagement.

Flex Socket Adapters

Pivot the head to access fasteners from an angle.

Fingertip Socket Spinners

Fit these adapters between your wrench and socket to enable finger tightening.

Ratcheting Socket Adapters

Change a standard wrench handle into a ratcheting wrench.

Impact Socket Adapters and Extensions

Impact Socket Extensions

Attach to your socket for a longer reach.

Secure-Hold Impact Socket Extensions

Lock your socket into the extension to prevent accidental disengagement.

Impact Socket Extension Sets

Reach a variety of spots by keeping common extension lengths on hand.

Secure-Hold Impact Socket Extension Sets

Also known as positive-locking extensions, these extensions hold sockets place with a ball that only retracts when you pull the collar down. Designed to prevent accidental detachment, they lock to your socket more securely than other extensions.

Impact Square Drive Size Adapters

Convert from one square drive size to another.

Impact Flex Socket Adapters

Pivot the head to access fasteners from an angle.

Impact Quick-Change Socket Adapters

Pull the collar to quickly attach and remove sockets.

Continuous-Duty Socket Adapters and Extensions

Hex Shank to Power Socket Square
Drive and Impact Square Drive Adapters

Use sockets with tools that accept hex shanks, such as drills and powered screwdrivers.

Continuous-Duty Socket Extensions

First developed for aerospace and automotive assembly processes, these extensions will stand up to your high-volume production and assembly lines.

Flexible Power Socket Extensions

Bend these extensions around obstructions to access hard-to-reach fasteners.

Socket Sets

Impact Square Drive Size Adapter Sets

Convert from one square drive size to another.

Square Drive Size Adapter Sets

Convert from one square drive size to another.

Electrical-Insulating 12-Point Socket Sets

These sets organize what you need when working around live electrical circuits.

Economy 12-Point Socket Sets

Suitable for occasional maintenance work, these sets are imported.

Economy 6-Point Socket Sets

Suitable for occasional maintenance work, these sets are imported.

6-Point Socket Sets

Made in the U.S.A., these tools handle the toughest industrial applications, provide the best grip on fasteners, and have a superior finish.

12-Point Socket Sets

Made in the U.S.A., these tools handle the toughest industrial applications, provide the best grip on fasteners, and have a superior finish.

Bit Adapters

Bit Adapters for Ratchet Wrenches

Attach these adapters to square-drive tools.

Secure-Hold Bit Adapters for Ratchet Wrenches

Lock your bit into the adapter to prevent accidental disengagement. These adapters attach to square-drive tools.

Bit Adapters for Impact Wrenches

Designed to withstand high torque and force, these adapters fit the square drive on impact wrenches. Use with hex-shank bits (also known as insert bits).

Socket Adapters and Extensions

Socket Extensions

Electrical-Insulating Socket Extensions

Wobble Socket Extensions

Socket Extension Sets

Secure-Hold Socket Extension Sets

Wobble Socket Extension Sets

Flexible Socket Extension Sets

Secure-Hold Socket Extensions

Flexible Socket Extensions

Square Drive Size Adapters

Convertible Square Drive Size Adapters

Electrical-Insulating Square Drive Size Adapters

Adjustable Torque-Limiting Socket Adapters

Factory-Set Torque-Limiting Socket Adapters

Torque-and-Angle Measuring Socket Adapters

Hex Shank to Square Drive Adapters

Secure-Hold Socket Adapters

Flex Socket Adapters

Fingertip Socket Spinners

Ratcheting Socket Adapters

Impact Socket Adapters and Extensions

Impact Socket Extensions

Secure-Hold Impact Socket Extensions

Impact Socket Extension Sets

Secure-Hold Impact Socket Extension Sets

Impact Square Drive Size Adapters

Impact Flex Socket Adapters

Impact Quick-Change Socket Adapters

Continuous-Duty Socket Adapters and Extensions

Hex Shank to Power Socket SquareDrive and Impact Square Drive Adapters

Continuous-Duty Socket Extensions

Flexible Power Socket Extensions

Socket Sets

Impact Square Drive Size Adapter Sets

Square Drive Size Adapter Sets

Electrical-Insulating 12-Point Socket Sets

Economy 12-Point Socket Sets

Economy 6-Point Socket Sets

6-Point Socket Sets

12-Point Socket Sets

Bit Adapters

Bit Adapters for Ratchet Wrenches

Secure-Hold Bit Adapters for Ratchet Wrenches

Bit Adapters for Impact Wrenches

Hex Shank to Power Socket Square
Drive and Impact Square Drive Adapters