Proto J4984CF Open End Crowfoot Wrench 2-5/8 Inch

Product Description

The PROTO J4984CF is an open end crowfoot wrench designed for fastener access in tight or obstructed spaces where a standard open-end wrench cannot reach. Built to a 2-5/8 inch wrench size, it features a head diameter of 4.59 inches and a head thickness of 0.5 inches, making it well suited for work on larger fasteners in confined installations. The chrome-plated finish provides corrosion resistance for shop and field use. This wrench drives off a 1/2 inch square drive ratchet or extension, giving the technician full torque control without needing a closed-end swing path. Licensed tradespeople and experienced mechanics reach for crowfoot wrenches when plumbing connections, hydraulic fittings, or structural hardware sit too deep or close to surrounding components for conventional tooling.

This crowfoot wrench is appropriate for heavy-duty mechanical, plumbing, and HVAC service work where larger fastener sizes are common. It fits standard 1/2 inch drive ratchets and torque wrenches, making it a direct addition to most professional drive-set configurations. The 2-5/8 inch size covers fastener applications found in commercial HVAC equipment, large pipe fittings, and industrial machinery. It is equally useful on residential and light commercial installations wherever access is restricted by adjacent components, ducting, or piping.

Key Features

• 2-5/8 inch open end crowfoot profile for large fastener engagement
• 4.59 inch head diameter provides broad contact surface for secure fastener grip
• 0.5 inch head thickness allows clearance in restricted spaces
• Chrome-plated finish resists corrosion and simplifies cleaning in field conditions
• Compatible with standard 1/2 inch square drive ratchets, extensions, and torque wrenches
• Backed by a lifetime warranty

Compatibility

Designed to work with standard 1/2 inch square drive ratchets, breaker bars, and torque wrenches. Suitable for professional use on fasteners requiring a 2-5/8 inch open end fitting.

Installation Notes

Install and remove crowfoot wrenches only with the drive tool properly seated and the wrench head fully engaged on the fastener flat. When using a torque wrench with a crowfoot, apply the appropriate correction factor if the wrench is not positioned at a zero-degree offset angle. Always de-energize, depressurize, or shut off fluid systems before breaking connections on plumbing, HVAC, or hydraulic assemblies. Inspect the chrome finish for cracks or chips before use, as surface damage can indicate structural fatigue in high-torque applications.