Closed-End Wrenches | McMaster-Carr

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System of Measurement

Drive Size

Wrench Style

Wrench Opening Shape

Head Style

Drive Style

External 12-Point

External Pentagon

External Spline

External Square

Overall Length

3 1/4" to 5 1/2"

3 3/8" to 4 5/16"

3 1/2" to 5 3/8"

3 1/2" to 5 1/2"

Sold As

Ratcheting or Nonratcheting

Finish

Head Thickness

Material

Stainless Steel

Appearance

Head Offset Angle

Number of Heads

Wrench Type

REACH

RoHS

Export Control Classification Number (ECCN)

DFARS Specialty Metals

For Use With

Fire Hose Fittings

Round and Irregular Objects

Screws and Nuts

Shut-Off Valves

Number of Pieces

Opening Angle

Square Drive Size

Turn Required to Ratchet

Specifications Met

Federal Specification

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1,107 Products

Fastening and Joining

Box Wrenches

Grip all sides of a fastener to prevent slipping

Combination Wrenches

Combination Wrenches

Use the open end when tightening in cramped spaces and the box end when you need extra grip

Tank Wrenches

Turn valve stems, regulator inlet nuts, and caps on welding tanks

Drum Plug Wrenches

Drum Plug Wrenches

Install and remove screw-in drum plugs; also known as bung wrenches

Wrench Heads

Attach to your ratchet wrench and socket extension to turn fasteners where clearance is limited

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

Strap Wrenches

Grip plastic and high-polished pipe, tubing, hand wheels, and filters without marring the surface

Shut-Off Valve Wrenches

Shut-Off Valve Wrenches

Turn hard-to-reach valves on gas lines, faucets, toilets, and sinks

Fire Hose and Hydrant Wrenches

Fire Hose and Hydrant Wrenches

Open and close hydrant caps, install sprinkler heads, and fasten fire hose fittings

Chain Wrenches

Grasp and twist pipe, tubing, and conduit, as well as irregularly shaped objects

Building and Machinery Hardware

Ratchet Handles

Ratchet Handles

Quickly adjust machine components and valves in tight spaces

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)