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3/8 Crow Foot Wrench 10mm — M3865 series specs & sizes

A 3/8" drive crow foot wrench head for accessing fasteners in tight spaces. Sizes, lengths and weights in American units.

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Written by David Crosbie

A 3/8" drive crow foot wrench head for accessing fasteners in tight spaces.

Features

  • 10mm crow foot wrench with a 3/8" square drive.

  • Provides access to fasteners in confined spaces where a conventional wrench or socket cannot reach.

  • Compatible with standard 3/8" drive extensions and torque wrenches.

  • Open-end design for use on flat-sided nuts and bolts.

  • 11mm metric crow foot wrench with a 3/8" square drive.

  • Designed for accessing nuts and bolts in confined areas where standard tools cannot reach.

  • Works with 3/8" drive ratchets and torque wrenches.

  • Allows for precise torque application in restricted spaces.

  • 12mm crow foot wrench with a 3/8-inch square drive.

  • Designed for use in tight spaces where conventional wrenches cannot fit.

Sizes & specifications

Part no.

Size

Length

Weight

Docs

Availability

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0.7 oz (21 g)

In store

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0.8 oz (23 g)

In store

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1.3 oz (38 g)

In store

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0.9 oz (26 g)

In store

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1.0 oz (27 g)

In store

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1.1 oz (30 g)

In store

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1.4 oz (40 g)

In store

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1.2 oz (33 g)

In store

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1.2 oz (33 g)

In store

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1.3 oz (38 g)

In store

Dimensions shown in inches with millimeters in parentheses — figures come straight from the official Teng Tools product data. Docs links open the official Teng Tools PDF data sheet, user manual or parts diagram for that part number.

Availability & help

Items marked “In store” are stocked at tengtoolsusa.com and ship from our Fort Worth, Texas warehouse. For anything marked “Ask us”, contact us — we can usually get it. Every Teng Tools hand tool carries our lifetime warranty against manufacturing defects.

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