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Gray Tools 55 mm 12 point combination wrench with satin chrome finish

Gray Tools

Gray Tools 55mm 12 Point Combination Wrench Tool Storage

SKU CH-4ZRZ-R1SH7

A 55 mm, 12-point combination wrench with satin chrome finish meeting ANSI standards

  • 12-point broaching gives a secure grip on 55 mm fasteners
  • Satin chrome finish resists corrosion for longer service life
  • Meets ANSI standards for reliable professional use
  • Combination design offers open and box ends in one tool
  • California Proposition 65 warning applies to this product

55mm 12-Point Combination Wrench

This 55mm combination wrench features a 12-point drive for secure engagement on hex fasteners. The satin chrome finish provides corrosion resistance for workshop durability. It meets ANSI standards for dimensional accuracy. Professional technicians and serious DIYers will find it suited to heavy-duty automotive and industrial tasks.

12-Point Drive Practical Limits

The 12-point geometry allows engagement at finer angles than six-point alternatives, useful in confined spaces. However, it transmits less torque to the fastener flats, increasing the risk of rounding on stubborn or damaged bolts. High-force applications are better served by six-point sockets or wrenches. Precision broaching ensures a tight fit when the fastener is in good condition.

55mm Capacity and Headroom

The 55mm hex size targets large fasteners found on commercial vehicles, agricultural equipment and structural assemblies. It handles typical torque requirements for these joints when used within the limits of the 12-point drive. Extremely seized or corroded fasteners may exceed the wrench's practical turning capacity without supplemental leverage. The tool does not suit smaller hex sizes or applications requiring a six-point grip.

Highlights

  • 12-point broaching gives a secure grip on 55 mm fasteners
  • Satin chrome finish resists corrosion for longer service life
  • Meets ANSI standards for reliable professional use
  • Combination design offers open and box ends in one tool
  • California Proposition 65 warning applies to this product

Specifications

BrandGRAY TOOLS

Questions about this item

Is the 55 mm size the only one available in this wrench style?

The product listed is the 55 mm 12‑point combination wrench.

What does the 12‑point broaching do when the wrench is on a fastener?

Precision broaching gives a tight, secure fit that reduces rounding on 12‑point and hex heads.

Which standard does the wrench meet and what does that cover?

It meets ANSI standards for dimensional accuracy and performance on 55 mm fasteners.

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