Klein 3212TT structural spud wrench forged from alloy steel showing the 1-1/4-inch opening, 60-degree head offset, and tapered alignment handle.
Infographic detailing key specs for Klein 3212TT spud wrench including 1-1/4-inch nominal opening, 60-degree offset, tether hole, and tapered handle.
Close-up of the 1-1/4-inch head and tether hole on the Klein 3212TT spud wrench showing forged size markings and safety warning text.
Angled view of the 16.625-inch Klein 3212TT spud wrench highlighting the 60-degree offset head for flange clearance and non-binding tapered handle.
Top-down profile view of the Klein 3212TT alloy steel spud wrench showing the 1-1/4-inch open head, tether cross-hole, and long alignment shaft.
Side profile of the Klein 3212TT spud wrench illustrating the 60-degree head offset engineered to clear steel I-beam flanges during bolting.
Ironworker using the Klein 3212TT spud wrench attached to an orange fall-protection lanyard to torque a 3/4-inch bolt on a structural steel I-beam.
Ironworker leverage-aligning heavy steel connection plate bolt holes by inserting the tapered handle of a tethered Klein 3212TT spud wrench.
Contractor holding a tethered Klein 3212TT spud wrench vertically while aligning bolt holes on a multi-layer structural steel plate assembly.
Ironworker driving the tapered handle of the Klein 3212TT spud wrench into overlapping gusset plate holes to leverage steel beams into alignment.
Ironworker securing a heavy structural beam bolt using the 60-degree offset head of a tethered Klein 3212TT spud wrench.
Split view showing an ironworker tightening a structural bolt and using the tapered handle of a tethered Klein 3212TT wrench to align plate holes.
Size chart comparing Klein spud wrench lengths: 14.75-inch, 16.63-inch (model 3212TT), 17.38-inch, and 18.00-inch models.
Work@Height Tools promotional video
Klein 3212TT structural spud wrench forged from alloy steel showing the 1-1/4-inch opening, 60-degree head offset, and tapered alignment handle.
Infographic detailing key specs for Klein 3212TT spud wrench including 1-1/4-inch nominal opening, 60-degree offset, tether hole, and tapered handle.
Close-up of the 1-1/4-inch head and tether hole on the Klein 3212TT spud wrench showing forged size markings and safety warning text.
Angled view of the 16.625-inch Klein 3212TT spud wrench highlighting the 60-degree offset head for flange clearance and non-binding tapered handle.
Top-down profile view of the Klein 3212TT alloy steel spud wrench showing the 1-1/4-inch open head, tether cross-hole, and long alignment shaft.
Side profile of the Klein 3212TT spud wrench illustrating the 60-degree head offset engineered to clear steel I-beam flanges during bolting.
Ironworker using the Klein 3212TT spud wrench attached to an orange fall-protection lanyard to torque a 3/4-inch bolt on a structural steel I-beam.
Ironworker leverage-aligning heavy steel connection plate bolt holes by inserting the tapered handle of a tethered Klein 3212TT spud wrench.
Contractor holding a tethered Klein 3212TT spud wrench vertically while aligning bolt holes on a multi-layer structural steel plate assembly.
Ironworker driving the tapered handle of the Klein 3212TT spud wrench into overlapping gusset plate holes to leverage steel beams into alignment.
Ironworker securing a heavy structural beam bolt using the 60-degree offset head of a tethered Klein 3212TT spud wrench.
Split view showing an ironworker tightening a structural bolt and using the tapered handle of a tethered Klein 3212TT wrench to align plate holes.
Size chart comparing Klein spud wrench lengths: 14.75-inch, 16.63-inch (model 3212TT), 17.38-inch, and 18.00-inch models.
Work@Height Tools promotional video
KLEIN TOOLS

Klein Tools Spud Wrench 3212TT 1-1/4 Inch Opening 3/4 Bolt Industrial Construction Alignment Tool (16.625 Length Tether Hole Offset Alloy Steel)

Only 2 left
SKU: 3212TT
$48.99 USD

Description

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Klein Tools 3212TT 1-1/4-Inch Nominal Opening Structural Spud Wrench with Tether Hole

The Klein Tools 3212TT is an industrial structural spud wrench engineered with a 1-1/4-inch nominal opening and an integrated tether hole for high-altitude steel connecting and ironwork assembly. Precision forged in the USA from heat-treated select alloy steel, this 16.625-inch tool fits 3/4-inch bolts and U.S. Heavy series nuts while featuring an extra-large hub head to withstand high torque loads. A continuous handle taper reducing from 1 inch down to 1/4 inch easily aligns structural steel bolt holes without binding, while a 60-degree offset head angle provides maximum hand clearance against beam flanges, and the smooth cross-hole enables fall-protection lanyard attachment when working aloft.

Best Used For:

  • Elevated Structural Steel Connecting: Fastening structural I-beam bolts at high elevations while secured to a fall-protection safety lanyard via the integrated tether hole.
  • Structural Steel Bolt Hole Alignment: Inserting the 16.625-inch continuously tapered handle into overlapping plate holes to lever heavy steel members into concentric alignment.
  • Heavy Industrial Fastener Torque: Torquing 3/4-inch bolts and U.S. Heavy nuts across bridge erection, heavy machinery mounting, and steel frame construction.

Key Performance & Safety Features

  • Select USA Forged Alloy Steel: Premium heat-treated steel construction supplies optimal leverage strength and fracture resistance under heavy torque loads.
  • Smooth Smooth-Edged Tether Hole: Machined cross-hole accepts safety lanyard carabiners without sharp edges to prevent cord fraying during high-altitude operations.
  • Continuous Non-Binding Taper Handle: Gradual 1-inch to 1/4-inch handle diameter transition aligns diverse hole sizes smoothly without wedging or sticking.
  • Extra-Large Hub Head Architecture: Reinforced hub area supports high torque application on 3/4-inch bolts and U.S. Heavy nut profiles.
  • 60-Degree Offset Head Angle: Deep head angle delivers generous hand and knuckle clearance against steel beam flanges and obstruction plates.
  • Black Oxide Protective Coating: Corrosion-resistant finish with rust-preventative treatment guards against jobsite moisture and chemical degradation.

What's Included

  • (1) Klein Tools 3212TT 1-1/4-Inch Nominal Opening Structural Spud Wrench with Tether Hole

Technical Specifications

Brand Manufacturer Klein Tools®
Model Part Number OEM SKU 3212TT
Tool Classification System American Bridge Offset Spud Wrench with Tether Hole
Nominal Wrench Opening Size 1.25 inches (1-1/4" / 3.2 cm)
Target Fastener Bolt Size 0.75 inch (3/4" / 1.9 cm)
Fastener Profile Compatibility U.S. Heavy Series Nuts
Head Offset Geometry Angle 60 Degrees Offset
Handle Taper Dimensions 1.0 inch to 0.25 inch (2.5 cm to 0.6 cm)
Overall Tool Length Dimension 16.625 inches (42.2 cm)
Head Width Dimension 2.50 inches (6.4 cm)
Overall Tool Height Dimension 1.00 inch (2.5 cm)
Core Metallurgy Material Forged Select US Alloy Steel
Protective Surface Finish Black Oxide with Rust Preventative Treatment
Fall Protection Tether Hole Yes (Smooth Machined Cross-Hole; Lanyard Not Included)
Assembled Net Tool Weight 2.0 lbs / 32.0 oz (0.9 kg)
High-Voltage Insulated Frame No (Uninsulated - do not use on energized electrical circuits)
Country of Origin Made in the USA
Global Trade Item Number GTIN 00092644680717

Pro-Tip: When connecting structural steel members, insert the 1/4-inch point of the tapered handle through overlapping bolt holes first to pry the beams into alignment before trying to hand-thread your 3/4-inch bolt. The 60-degree head offset ensures your knuckles clear the beam flange when tightening the nut down on the opposite side.