PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size
The PROTO J4988CF is an SAE open end crowfoot wrench made from alloy steel with a chrome finish. It features a 3/8 in drive size and a 2 3/4 in head size, designed for use with a socket drive tool.
SKU 3G-OTH-311962
Need installation or engineering help?
Ask a question
Product Description
The PROTO J4988CF is an SAE open end crowfoot wrench made from alloy steel with a chrome finish. It features a 3/8 in drive size and a 2 3/4 in head size, designed for use with a socket drive tool.
Frequently Asked Questions
What is the PROTO J4988CF crowfoot socket wrench used for?
The PROTO J4988CF SAE open end crowfoot wrench is used to access fasteners in tight spaces where a standard socket or wrench cannot fit. It attaches to a 3/8 in drive ratchet or torque wrench, making it ideal for automotive, industrial, and maintenance applications requiring precise torque in confined areas.
What are the specifications of the PROTO J4988CF crowfoot wrench?
The PROTO J4988CF is an SAE open end crowfoot wrench made from alloy steel with a chrome finish. It has a 3/8 in drive size and a 2 3/4 in head size. The manufacturer part number is J4988CF. This tool is designed for use with a socket drive tool for accessing fasteners in tight spaces.
Where to buy the PROTO J4988CF crowfoot wrench worldwide?
You can source the PROTO J4988CF crowfoot 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 genuine PROTO tools to industrial buyers internationally.
How to select the correct crowfoot wrench size for a fastener?
To select the correct crowfoot wrench, match the head size to the fastener's hex or bolt dimension. For the PROTO J4988CF, the 2 3/4 in head size fits a corresponding SAE fastener. Ensure the drive size (3/8 in) matches your ratchet or torque wrench. Always verify clearance and torque requirements before use.
Used in
Common applications for PROTOPROTO 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.















