Gear Wrenches | McMaster-Carr

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System of Measurement

Drive Size

Wrench Style

Ratcheting

Wrench Opening Shape

Head Style

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Drive Style

External 12-Point

External Pentagon

External Spline

External Square

Overall Length

3 1/2" to 5 3/8"

3 1/2" to 5 1/2"

3 3/4" to 5 1/2"

3 7/8" to 5 3/8"

4 1/4" to 6 3/4"

4 1/4" to 9 1/8"

4 1/2" to 6 7/8"

4 1/2" to 8 1/8"

4 1/2" to 9 1/4"

Head Thickness

Relative Length

Number of Pieces

Finish

Material

Stainless Steel

Length

3 1/2" to 5 3/8"

3 1/2" to 5 1/2"

3 3/4" to 5 1/2"

3 7/8" to 5 3/8"

4 1/4" to 6 3/4"

4 1/4" to 9 1/8"

4 1/2" to 6 7/8"

4 1/2" to 8 1/8"

4 1/2" to 9 1/4"

Turn Required to Ratchet

Grade

Appearance

Performance

Electrically Insulating

Reversible Ratcheting

Tight Clearance

Number of Teeth

Head Offset Angle

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

RoHS

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

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395 Products

Combination Wrenches

Ratcheting Combination Wrenches

Ratcheting Combination Wrenches

Turn nuts and bolts without having to remove and reposition your wrench

Reversible Ratcheting Combination Wrenches

Reversible Ratcheting Combination Wrenches

Switch from tightening to loosening with the flick of a lever

Reversible Ratcheting Combination Wrench Sets

Reversible Ratcheting Combination Wrench Sets

Wrenches switch from tightening to loosening with the flick of a lever

Flex-Head Ratcheting Combination Wrenches

Flex-Head Ratcheting Combination Wrenches

Access hard-to-reach fasteners without needing to remove obstructions

Ratcheting Combination Wrench Sets

Ratcheting Combination Wrench Sets

Turn a variety of nuts and bolts without having to remove and reposition your wrench

Flex-Head Ratcheting Combination Wrench Sets

Flex-Head Ratcheting Combination Wrench Sets

Access a variety of hard-to-reach fasteners without needing to remove obstructions

Spline Ratcheting Combination Wrenches

Spline Ratcheting Combination Wrenches

Turn hex, 12-point, and spline fasteners without repositioning your wrench

Spline Ratcheting Combination Wrench Sets

Spline Ratcheting Combination Wrench Sets

Turn hex, 12-point, and spline fasteners without repositioning your wrenches

Stubby Reversible Ratcheting Combination Wrenches

Stubby Reversible Ratcheting Combination Wrenches

The ultimate tool for ratcheting in tight spaces

Stubby Ratcheting Combination Wrenches

Stubby Ratcheting Combination Wrenches

Turn fasteners in tight spaces without removing and repositioning your wrench

Stubby Reversible Ratcheting Combination Wrench Sets

Stubby Reversible Ratcheting Combination Wrench Sets

The ultimate tool for ratcheting in tight spaces—in an array of sizes

Stubby Ratcheting Combination Wrench Sets

Stubby Ratcheting Combination Wrench Sets

Turn fasteners in tight spaces without removing and repositioning wrenches

Other Products

Box Wrenches

Grip all sides of a fastener to prevent slipping

Fire Hose and Hydrant Wrenches

Fire Hose and Hydrant Wrenches

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

Tap and Die Wrench Sets

Tap and Die Wrench Sets

Switch between internal and external threading with interchangeable tap and die adapters

Wrench Heads

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

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.)