Williams Comfort Products 10721 Crowfoot Wrench

Product Description

The WILLIAMS COMFORT PRODUCTS 10721 is a 3/8 inch drive crowfoot wrench with a 1-11/16 inch open-end jaw. Crowfoot wrenches attach to a standard ratchet or extension in place of a conventional socket, giving access to fasteners in recessed or obstructed locations where a box-end or combination wrench cannot reach. This tool weighs 0.4 pounds and is sold as a single piece. It is used by mechanics, HVAC technicians, plumbers, and other trade professionals who regularly work in tight quarters around equipment frames, piping, and fittings.

The 10721 is suited for general mechanical and trade applications where a 1-11/16 inch fastener must be torqued or loosened in a confined space. Typical use cases include work on pipe fittings, equipment mounting hardware, and fasteners on HVAC units and plumbing assemblies where straight wrench access is restricted. The 3/8 inch drive size is compatible with standard 3/8 inch ratchets, torque wrenches, and extensions commonly found in trade toolkits.

Key Features

• 3/8 inch drive accepts standard ratchets, extensions, and torque wrenches
• 1-11/16 inch open-end jaw for fastener access in tight or obstructed spaces
• Lightweight at 0.4 pounds for reduced hand fatigue during extended use
• Sold individually, one wrench per unit
• Open-end crowfoot design eliminates the need to slip a wrench over a fastener from the side

Compatibility

Designed to fit any standard 3/8 inch drive ratchet, extension bar, or torque wrench as a replacement or supplemental crowfoot wrench for trade and mechanical applications.

Installation Notes

Crowfoot wrenches are installed by mechanics and trade professionals as a hand tool requiring no permanent installation. Ensure the drive tang is fully seated in the ratchet or extension before applying torque. When used with a torque wrench, account for any offset angle between the crowfoot jaw and the drive axis, as this affects actual torque delivered to the fastener. Keep the tool clean and free of grease on the drive square to prevent slippage.

Technical Specifications

• Drive Size: 3/8 inch
• Jaw Opening: 1-11/16 inch
• Weight: 0.4 pounds
• UPC: 662459339959
• Sold As: Each

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: 10721