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PROTO J5378CF SAE Open End Crowfoot Wrench, 2-7/16 in, 1/2 in Drive, Chrome - SAE Open End Crowfoot Wrenches
PROTOSAE Open End Crowfoot Wrenches

PROTO J5378CF SAE Open End Crowfoot Wrench, 2-7/16 in, 1/2 in Drive, Chrome

The PROTO J5378CF is an SAE open end crowfoot wrench made of alloy steel with a chrome finish. It features a 1/2 in drive size and a 2 7/16 in head size. This tool is designed for use with a socket drive to access…

SKU 3G-OTH-311970

Brand
PROTO
Item
J5378CF SAE Open End Crowfoot Wrench, 2-7/16 in, 1/2 in Drive, Chrome
Part Number
J5378CF
Category
SAE Open End Crowfoot Wrenches
Available to Order
Also known as:J5378CFPROTO
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

PROTO
Manufacturer Part Number
J5378CF
Type
Chrome
Head Size
2 7/16 in
Drive Size
1/2 in

Technical Documents

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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO J5378CF is an SAE open end crowfoot wrench made of alloy steel with a chrome finish. It features a 1/2 in drive size and a 2 7/16 in head size. This tool is designed for use with a socket drive to access fasteners in tight spaces.

Frequently Asked Questions

What is the PROTO J5378CF crowfoot socket wrench used for?

The PROTO J5378CF is an SAE open end crowfoot wrench designed to access fasteners in tight spaces where a standard socket or wrench cannot fit. It attaches to a 1/2 in drive socket drive, making it ideal for automotive, industrial, and maintenance applications requiring precise torque in confined areas.

What are the specifications of the PROTO J5378CF crowfoot socket wrench?

The PROTO J5378CF is made of alloy steel with a chrome finish. It has a 1/2 in drive size and a 2 7/16 in head size. This SAE open end crowfoot wrench is designed for use with a socket drive to reach fasteners in tight spaces. The manufacturer part number is J5378CF.

Where to buy the PROTO J5378CF crowfoot socket wrench worldwide?

You can source the PROTO J5378CF crowfoot socket wrench through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply PROTO tools to procurement teams and engineers globally.

How to select the correct crowfoot socket wrench for tight spaces?

To select the correct crowfoot socket wrench, match the drive size (e.g., 1/2 in) to your ratchet or torque wrench, and choose the head size (e.g., 2 7/16 in) to fit the fastener. For tight spaces, an open end design like the PROTO J5378CF allows side access. Ensure the material (alloy steel with chrome finish) suits your environment.

Used in

Common applications for PROTO
Automotive assembly — PROTO J72102 impact socket set for fastening lug nuts on production lines
Heavy equipment maintenance — PROTO J3772T flare nut wrench for hydraulic line fittings on excavators
General industrial repair — PROTO J795SA adjustable wrench set for tightening bolts on conveyor systems
Aerospace manufacturing — PROTO J5240A slotted bit socket for adjusting fasteners in confined spaces
Oil and gas pipeline work — PROTO J5438 12-point socket for valve assembly in refineries
Construction site toolkits — PROTO J8179-T500 double box wrench for structural steel bolting
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PROTO Products

3G Electric supplies PROTO sae open end crowfoot wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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