Achieve the necessary leverage to turn hand wheels on large valves.

Open and close the jaws with one hand. Press the lever and slide the bottom jaw to the desired position; tension keeps it in place.

There's no adjustment nut or button on these wrenches—a spring-loaded hinge automatically closes the top jaw around pipe.

Made of aluminum-bronze that is Factory Mutual approved, these wrenches inhibit sparking and are nonmagnetic and corrosion resistant. They are also known as railroad wrenches.

These lightweight tools are also known as AN (Army-Navy) wrenches.

Made of aluminum-bronze that is Factory Mutual approved, these wrenches inhibit sparking and are nonmagnetic and corrosion resistant. They satisfy OSHA requirements that specify nonsparking tools for locations where flammable vapors and combustible residues are present.