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Klein

Klein Tools 3239 Adjustable Spud Wrench 16 Inch

  • Measurement Standard: SAE (Inch)
  • Head Style: Box End, Open End
  • End Style: Hang Hole
  • Item Length: 16 inches

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

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ASIN: B0000302W7Model: 3239Category: Wrenches

Overview

The Klein 3239 is a 16 inch wrench weighing 2.4 pounds, sized well beyond a typical hand wrench for tasks that need extra reach and leverage. Jaw type and opening size are not listed, so confirm fit against your fastener before ordering.

Length is the standout figure here: at 16 inches, this wrench trades pocket-friendly size for the leverage needed on stubborn fasteners or hard-to-reach spots. It holds the strongest rating in this group of tools, though the listing stops short of naming jaw type or opening size.

  • Klein 3239 wrench
  • 16 inch length
  • 2.4 lb weight

Who it's for

Tradespeople who need a long-reach wrench for extra leverage on tight or stubborn fasteners. Not the pick for anyone wanting a compact wrench for a small tool bag.

Pros and cons

Pros
  • 16 inch length adds leverage for stubborn fasteners
Cons
  • Bulkier and heavier than a compact wrench, less convenient for a small tool bag
  • Jaw type and opening size not specified in this listing

Performance notes

The 16 inch length gives more leverage than a standard hand wrench, useful for breaking loose stubborn fasteners or reaching into tighter clearances where a shorter tool cannot get purchase. The added length and 2.4 pound weight do make it bulkier to carry than compact alternatives, and jaw type or opening size is not specified, so match it against your fastener before buying.

Specifications

BrandKlein
Model3239
Dimensions & fit
Item Length16 incheshigher than 84% of 371 wrenches
Wrench Length StyleLong
Item Weight2.4 poundshigher than 67% of 356 wrenches
Construction & materials
Material TypeBlend
ColorBlack
Finish TypesBrushed
Included components
Package Quantity1
Unit Count1
Included Components3239
Warranty & support
Manufacturer Warranty DescriptionKlein offers a lifetime warranty on material defects and workmanship for the normal life of the product.
Other details
Measurement StandardSAE (Inch)
Head StyleBox End, Open End
End StyleHang Hole
Operation ModeMechanical
Is RachetingNo
Is Non SparkingYes
Item Type NameKlein Tools 3239 Adjustable Head Construction Wrench,16-Inch

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Frequently asked questions

How long is the Klein 3239 wrench?

16 inches.

How much does the 3239 weigh?

2.4 pounds.