Also known as pipe plug sockets, these sockets have a square shape that provides the best possible grip on square fasteners and prevents rounding.

Turn many sizes of square, hex, and 8-point fasteners with one socket. Place over the fastener and 54 pins move to grip it securely.

Quickly position these sockets on square fasteners.

The square shape provides the best possible grip on square fasteners and prevents rounding.

Shaped and sized for compatibility with wheel bearing locknuts on trucks and trailers, the sockets in these sets make it easy to install and remove locknuts.

Convert from one square drive size to another.

Lock your socket into the extension to prevent accidental disengagement.

Push the square drive through the adapter to change size.

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

Made of aluminum-bronze, these extensions satisfy OSHA requirements that specify nonsparking tools for locations where flammable vapors and combustible residues are present.

The square drive has a rounded shape that allows the extension to pivot inside the socket opening and turn it from an angle.

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

The 25° offset heads give you additional clearance to turn hard-to-reach fasteners.