1 3/8" Wrenches | McMaster-Carr

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System of Measurement

Drive Size

Wrench Opening Shape

12-Point Sure Grip

Head Style

Wrench Style

Overall Length

4 1/2" to 17 1/4"

4 3/4" to 12 1/2"

Drive Style

External 12-Point

External Square

Finish

Number of Pieces

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Opening Angle

Length

4 1/2" to 17 1/4"

4 3/4" to 12 1/2"

Head Thickness

Material

Aluminum Bronze

Square Drive Size

Ratcheting

Relative Length

Appearance

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

For Use With

Screws and Nuts

Export Control Classification Number (ECCN)

RoHS

DFARS Specialty Metals

Number of Heads

REACH

Wrench Type

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65 Products

Fastening and Joining

Open-End Wrenches

Open-End Wrenches

Tighten and loosen fasteners from the top or the side

Combination Wrenches

Combination Wrenches

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

Water Meter Wrenches

Water Meter Wrenches

Turn meter couplings and shut-off valve nuts on water meters

Wrench Heads

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

Box Wrenches

Grip all sides of a fastener to prevent slipping

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

Backup Wrenches

Backup Wrenches

Pair with a head and handle to create a wrench that keeps nuts from turning as you tighten bolts

Bit Sockets

Turn fasteners with an internal drive style without slipping and damaging the drive

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