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The WILLIAMS COMFORT PRODUCTS 10711 is a 3/8 inch drive crowfoot wrench with a 1-1/16 inch open-end jaw. Crowfoot wrenches attach directly to a standard 3/8 inch drive ratchet or torque wrench, allowing access to fasteners in tight or recessed spaces where a conventional combination wrench cannot reach. This tool is suited for plumbing, HVAC, and mechanical service work where pipe fittings, line connections, and hex nuts sit in confined areas. It functions as a standard open-end crowfoot, providing solid grip on flat fastener surfaces without rounding.
The 10711 is commonly used by HVAC technicians, plumbers, and general mechanical trades working on equipment where standard wrenches lack clearance. Typical applications include refrigerant line fittings, compression fittings, packing nuts, and similar connections that require controlled torque in restricted access locations. The open-end crowfoot design allows use with a torque wrench for specification-driven fastening.
Designed to fit any standard 3/8 inch drive ratchet, extension, or torque wrench for use on 1-1/16 inch fasteners and fittings.
This tool is used by HVAC technicians, plumbers, and mechanical service professionals. When using a crowfoot with a torque wrench, offset the wrench angle from the drive centerline to maintain accurate torque readings, following the torque wrench manufacturer guidance. Always ensure the crowfoot is fully seated on the fastener before applying force to prevent slippage or fastener damage.
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