PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size
The PROTO J4916MCF is a metric open end crowfoot wrench made from alloy steel with a chrome finish. It features a 3/8-inch drive size and a 16 mm head size, designed for use with standard ratchets and torque wrenches.
SKU 3G-OTH-314973
Need installation or engineering help?
Ask a question
Product Description
The PROTO J4916MCF is a metric open end crowfoot wrench made from alloy steel with a chrome finish. It features a 3/8-inch drive size and a 16 mm head size, designed for use with standard ratchets and torque wrenches.
Frequently Asked Questions
What is the PROTO J4916MCF crowfoot socket wrench used for?
The PROTO J4916MCF is a metric open end crowfoot wrench used to access fasteners in tight spaces where a standard socket or wrench cannot fit. It attaches to a 3/8-inch 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 J4916MCF crowfoot wrench?
The PROTO J4916MCF has a 3/8-inch drive size and a 16 mm head size. It is made from alloy steel with a chrome finish for corrosion resistance. The manufacturer part number is J4916MCF. This metric open end crowfoot wrench is designed for use with standard ratchets and torque wrenches.
Where to buy the PROTO J4916MCF crowfoot wrench worldwide?
You can source the PROTO J4916MCF crowfoot wrench through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time; we supply PROTO tools to procurement teams and engineers 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 dimension. For the PROTO J4916MCF, the 16 mm head fits a 16 mm fastener. Ensure the drive size (3/8 inch) matches your ratchet or torque wrench. Always verify clearance and torque requirements before use to avoid damage.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO metric open end crowfoot wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.



