US
Klein Tools

Klein Tools 3212TT Construction Spud Wrench 1-1/4 Inch

  • Jaw Capacity: 1.2 inches
  • Measurement Standard: SAE (Inch)
  • Head Style: Box End
  • End Style: Hang Hole

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

Our verdict

A long, high leverage Klein wrench built for large fasteners and tether-ready use on job sites, not a general purpose small wrench.

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ASIN: B01E1EZA5AModel: 3212TTCategory: Wrenches

Overview

The Klein 3212TT is a wrench measuring 16.5 inches long with a 1.25 inch capacity, weighing about 2 pounds. The TT in the model name matches Klein's naming for tether-ready tools, aimed at trades working at height.

A 16.5 inch length paired with a 1.25 inch opening is sized for large bolts and structural fasteners rather than everyday household hardware, which fits Klein's reputation as a tool maker for electricians and construction trades. The tether-ready naming suggests this wrench is meant to be used with a lanyard on scaffolding or elevated job sites, reducing the risk of dropped tools. At 2 pounds it has real heft, consistent with the leverage needed on 1.25 inch fasteners.

  • Klein 3212TT model wrench
  • 16.5 inch overall length
  • 1.25 inch fastener capacity
  • Weighs approximately 2 pounds

Who it's for

Suited to electricians, ironworkers and construction trades who need a long, high leverage wrench for large bolts, especially on elevated or tethered job sites. Not the right pick for small hardware or precision work, given the 1.25 inch capacity.

Pros and cons

Pros
  • 16.5 inch length for extra leverage
  • 1.25 inch capacity fits large fasteners
  • Tether-ready naming for elevated job sites
Cons
  • 2 pounds may be heavy for light tasks
  • Not sized for small hardware or fine work

Performance notes

The 16.5 inch length gives extra leverage on the 1.25 inch capacity opening, which matters most on large, tight or corroded fasteners common in structural and electrical trade work. At 2 pounds, the wrench carries enough mass to handle repeated use without feeling flimsy, and the tether-ready design lets it be secured with a lanyard when working above ground level.

Specifications

BrandKlein Tools
Model3212TT
Dimensions & fit
Item Length16.5 incheshigher than 86% of 371 wrenches
Wrench Length StyleStandard
Item Weight2 poundshigher than 60% of 356 wrenches
Capacity & performance
Jaw Capacity1.2 incheshigher than 69% of 165 wrenches
Construction & materials
Material TypeAlloy Steel
ColorMulti
Finish TypesBlack Oxide With A Rust Preventative
Included components
Package Quantity1
Unit Count1
Included ComponentsSpud Wrench 1-1/4-Inch Nominal Opening With Tether Hole, US Heavy 3/4" Erection Wrench With Hole
Other details
Measurement StandardSAE (Inch)
Head StyleBox End
End StyleHang Hole
Operation ModeMechanical
Is RachetingYes
Is Non SparkingYes
Item Type NameKlein Tools 3212TT Construction Spud Wrench With Tether Hole, 1-1/4-Inch Nominal Opening, 3/4-Inch Bolt For US Heavy Nut
Item Torque250 ft-lb

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Frequently asked questions

What size bolts does the Klein 3212TT fit?

It has a listed capacity of 1.25 inches, sized for large fasteners rather than small hardware.

What does the TT mean in Klein 3212TT?

It matches Klein's naming convention for tether-ready tools, intended for use with a lanyard on elevated job sites.

How long is the Klein 3212TT wrench?

It measures 16.5 inches in overall length.