Williams Comfort Products 11540 40mm Combo Wrench 12-point

Product Description

The Williams Comfort Products 11540 is a 40mm combination wrench featuring a 12-point box end and an open end on a single forged tool. The satin finish reduces glare in bright shop or field environments and provides a surface that resists corrosion over time. This wrench is sized for heavy-duty fastener work and is appropriate for mechanical, HVAC, plumbing, and industrial service applications where large-format hardware is involved. It is sold individually and is intended for professional tradespeople who require reliable hand tools in metric sizing.

The 11540 is suited for use on large fasteners found in commercial HVAC equipment, industrial piping assemblies, mechanical systems, and similar trade applications where a 40mm wrench size is specified. The 12-point box end allows engagement in tighter swing arcs, making it useful in confined spaces where a full handle rotation is not possible. The open end provides quick placement on hex fasteners in open work areas.

Key Features

• 40mm combination wrench with 12-point box end and open end on a single tool
• Satin finish reduces glare and resists surface corrosion
• 12-point box end allows engagement at more positions for restricted-swing applications
• Metric sizing appropriate for large-format commercial and industrial fasteners
• Sold individually, one wrench per unit

Compatibility

Designed for use on 40mm hex fasteners in commercial and industrial mechanical, HVAC, and plumbing service applications.

Installation Notes

This tool is used by licensed HVAC technicians, plumbers, pipefitters, and mechanical contractors working on large fastener assemblies. Always select the correct wrench size to avoid rounding fastener flats. Do not use a cheater bar or extension on a combination wrench, as this can exceed the tool's design load and cause failure or injury. Inspect the wrench for cracks or deformation before each use.

Technical Specifications

• Size: 40mm
• Drive Type: 12-Point Combination (Box and Open End)
• Finish: Satin
• Weight: 3.85 pounds
• Sold As: Each
• UPC: 662459338846

Standard Information

• Brand: Williams Comfort Products
• Manufacturer Part Number: 11540