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Description
Klein Tools Spud Wrench 3219 3/4 Inch Opening American Bridge Steel Erection Fastening Tool (1/2 Inch Regular Nut Forged Alloy 60 Degree Offset Alignment)High Leverage Structural Steel Fastening and Bolt Hole Alignment The Klein Tools 3219 is a forged alloy steel spud wrench featuring a 3 4 inch nominal opening engineered for 1 2 inch regular nuts and 7 16 inch heavy or square nuts in structural steel erection. This dual purpose hand tool combines a heavy duty 60 degree offset head for maximum torque clearance with a continuous taper handle designed to align overlapping bolt holes during beam assembly.
High-Leverage Structural Steel Fastening and Bolt Hole Alignment
The Klein Tools 3219 is a forged alloy steel spud wrench featuring a 3/4-inch nominal opening engineered for 1/2-inch regular nuts and 7/16-inch heavy or square nuts in structural steel erection. This dual-purpose hand tool combines a heavy-duty 60-degree offset head for maximum torque clearance with a continuous-taper handle designed to align overlapping bolt holes during beam assembly. Made in the USA and coated in a rust-preventative black oxide finish, it provides the commercial-grade durability needed for high-leverage heavy structural applications.
Best Used For:
- Structural Beam Connection: Aligning matching drift pin paths and bolt openings across heavy structural steel framing components.
- Heavy Fastener Installation: Torquing 1/2-inch U.S. regular nuts and 7/16-inch heavy or square nuts tightly during industrial building frame assembly.
- Flat Surface Maneuvering: Working flat against steel plates using the 60-degree offset handle angle to maintain optimal hand clearance.
Key Performance & Safety Features
- Reinforced Head Construction: Extra-duty head cross-section provides high resistance against jaw stretching or structural cracking under load.
- Continuous-Taper Pin: Long, smooth handle tapers seamlessly from 7/8 inch down to 1/2 inch to position mismatched structural connections without sticking.
- 60-Degree Offset Geometry: Angled head configuration keeps the operator's hands safely away from flat metal faces during high-torque turning.
- Corrosion Shield Coating: Industrial black oxide finish with an integrated rust preventative resists harsh outdoor jobsite weathering.
- Deep-Stamped Markings: Catalog numbers, nominal opening profiles, and matching bolt sizes are permanently stamped into the tool for immediate selection.
What's Included
- (1) 3/4-Inch Nominal Opening Spud Wrench (3219)
Technical Specifications
| Type | Spud Wrench |
| Application | Connecting Steel Members |
| Special Features | Made in USA, Extra Heavy-Duty Head |
| Nominal Opening | 3/4 Inch |
| Regular Nut Size | 1/2 Inch |
| Heavy Nut Size | 7/16 Inch |
| Square Nut Size | 7/16 Inch |
| Overall Length | 14.75 Inches |
| Head Width | 2.25 Inches |
| Overall Height | 1 Inch |
| Taper Diameter | 7/8 Inch to 1/2 Inch |
| Offset Angle | 60 Degrees |
| Material | Forged Alloy Steel |
| Finish | Black Oxide with Rust Preventative |
| Weight | 1.4 lbs. |
Pro-Tip: Use only the smooth continuous-tapered handle end for structural prying or heavy drift alignment; never strike the side of the wrench head with a sledgehammer, as this can alter the jaw tolerance and ruin fastener fitment.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Fun & Fast moving toy for my cats!
Color: A1-Red
This is such a fun little toy to keep my cats entertained. They were definitely weary about it for the first few days, but started to get used to it and play with it after a bit. I wish there was an even slower option because the slow option is still pretty fast, but at least it gets them up and moving. They will even play with the tail part when it's not turned on. Like others have said, it does collect hair pretty easily, but it's very easy to clean off. I don't have any dogs, but I could see smaller dogs loving this as well!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2026
★★★★★ 2
That it’s usable for more than one day
Color: A3-Pink, Color: A3-Pink
The toy itself is great and my puppy enjoyed it. My problem is that it didn’t come with a charging cord and none of mine fit. It never changed colors. Maybe if I had a charger cord it would be worth it, but right now it’s useless!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
★★★★★ 3
Fun for Fido but flimsy
Color: A2-Blue
My 15 yearold mini Schnauzer, Sam, played with this for less than 1 hour and tore the rubber sleeve off it. I will say the toy itself is a genius idea. Sam was absolutely ensconced. I wish it were made sturdier.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 24, 2026
★★★★★ 4
It does exactly what they say it does! Worth the money
Color: A1-Red
It arrived quickly. It’s a fun toy! It’s the right size for cats. Definitely worth the money. It is exactly as described. So far, the quality seems very good and it seems durable. The instructions are on the side of the box, which makes learning how to operate it easy. I love it that it’s red, because my kitty seems to be attracted to red. My kitty is very interested in it, yet isn’t quite sure what to think of it. I love that it changes directions on its own so that it doesn’t get stuck or lost under furniture, which is typical for a ball that cats play with. It seems to only go two, three or four feet in one direction and then it changes directions, which is both good and bad. I just wish it would go farther in one direction before changing directions so that my kitty could chase it farther, as we have plenty of space in our house for her to run. But that certainly could be a plus for other cats, enjoying not knowing where the ball is going to go next and really keep them on their toes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 20, 2026
★★★★★ 5
Cat loves this
Color: A1-Red
This toy is great for keeping pets entertained. The ball moves quickly and the tail makes it even more fun for cats to chase. It’s rechargeable and easy to use, and my pet stayed interested much longer than with regular toys.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 15, 2026
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