Metric Box Wrench Sets | McMaster-Carr

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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"

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3 3/4" to 9 3/16"

4 1/2" to 8 1/8"

4 1/2" to 9 1/4"

4 15/16" to 11 1/16"

5 1/8" to 9 7/8"

5 3/16" to 11 1/16"

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30 Products

Combination Wrenches

Combination Wrench Sets

Combination Wrench Sets

Your go-to sets for routine maintenance

Ratcheting Combination Wrench Sets

Ratcheting Combination Wrench Sets

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

Reversible Ratcheting Combination Wrench Sets

Reversible Ratcheting Combination Wrench Sets

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

Spline Ratcheting Combination Wrench Sets

Spline Ratcheting Combination Wrench Sets

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

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

Stubby Combination Wrench Sets

Stubby Combination Wrench Sets

Turn a variety of nuts and bolts in tight spaces

Stubby Ratcheting Combination Wrench Sets

Stubby Ratcheting Combination Wrench Sets

Turn fasteners in tight spaces without removing and repositioning wrenches

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

Other Products

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

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