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Gray Tools 3188B 12 point combination wrench black oxide finish

Gray Tools

Gray Tools 3188B 12 Point Combination Wrench tool storage

SKU CH-QQJ6-FCVB3

Holds a 12-point combination wrench with corrosion-resistant black oxide finish meeting ANSI standards

  • 12-point broached drive grips fasteners securely
  • 2-3/4 inch hex size fits large hardware
  • Black oxide finish resists corrosion on the job
  • Meets ANSI standards for professional reliability
  • California Proposition 65 warning included for safety awareness

Professional-Grade Wrench for Heavy Fasteners

The Gray Tools 3188B is a 12-point combination wrench sized at 2-3/4 inches for large industrial or agricultural bolts. Its black oxide finish resists corrosion while the precision broached jaws deliver a secure grip on stubborn fasteners. Mechanics and maintenance technicians who service heavy equipment will find this tool meets ANSI standards for professional use.

Verify Clearance and Fastener Compatibility

Before ordering, confirm the fastener head measures exactly 2-3/4 inches across the flats and that the 12-point drive matches the bolt geometry you encounter. Check that your workspace allows enough swing room for a non-ratcheting combination wrench of this length. Ensure the black oxide coating is acceptable for your environment compared to chrome or stainless alternatives.

Finish and Standards Support Daily Shop Demands

The black oxide coating reduces glare and adds a layer of corrosion resistance during extended storage in humid garages. Compliance with ANSI standards means the wrench is manufactured to recognised dimensional and strength tolerances for professional applications. No additional accessories or software are included; the product is the single wrench ready for immediate use.

How it compares

Measured against everything we stock in Tool Bags & Storage Cases, at today’s prices. Recalculated every night.

Price $322.99
Pricier than about 91% of the 2,748 comparable items (median $20.99).

Specifications

Product
Brand nameGRAY TOOLS

Questions about this item

Does the 3188B wrench come with any additional pieces or a storage case?

The product is a single 12 point combination wrench with a black oxide finish; no case or extra pieces are included.

How do I decide between the 12 point drive and other drive types for this size?

The 12 point drive engages the fastener at more angles, making it easier to position on a 2-3/4 inch hex in tight spaces.

What does meeting ANSI standards mean when I use this wrench on the job?

It confirms the wrench dimensions and strength have been tested to a recognised industry benchmark for reliability.

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