Open-End Wrench Sets | McMaster-Carr

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Wrench Style

System of Measurement

Wrench Opening Shape

12-Point Sure Grip

Drive Size

Head Style

Number of Pieces

Ratcheting

Drive Style

External 12-Point

External Spline

External Square

Overall Length

2 3/4" to 4 3/8"

2 3/4" to 5 1/2"

2 7/8" to 4 3/8"

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"

3 19/32" to 8 41/64"

3 3/4" to 5 7/16"

3 3/4" to 5 1/2"

3 3/4" to 9 3/16"

3 7/8" to 5 3/8"

Finish

Relative Length

Grade

Container Type

Fabric Roll-Up Pouch

Metal Clip Rail

Plastic Clip Rail

Plastic Organizer

Plastic Roll-Up Pouch

Material

Aluminum Bronze

Stainless Steel

Appearance

Performance

Corrosion Resistant

High Visibility

Reversible Ratcheting

Tight Clearance

Length

2 3/4" to 4 3/8"

2 3/4" to 5 1/2"

2 7/8" to 4 3/8"

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"

3 19/32" to 8 41/64"

3 3/4" to 5 7/16"

3 3/4" to 5 1/2"

3 3/4" to 9 3/16"

3 7/8" to 5 3/8"

Wrench Type

Square Drive Size

Opening Angle

RoHS

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

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107 Products

Fastening and Joining

Combination Wrenches

Combination Wrenches

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

Open-End Wrenches

Open-End Wrenches

Tighten and loosen fasteners from the top or the side

Wrench Heads

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

Adjustable Wrenches

Adjustable Wrenches

Adjust the jaws to fasten different size nuts, bolts, or workpiece

Socket Wrenches

Socket Wrenches

Apply torque to turn nuts, bolts, and other fasteners without rounding the heads

Shut-Off Valve Wrenches

Shut-Off Valve Wrenches

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

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