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Klein Tools 66031 3-in-1 Slotted Impact Socket, 12-Point Deep Sockets, Coaxial Spring Loaded, 3/4 and 9/16-Inch Hex Sizes, 1/2-Inch Drive

  • Based on 834 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon

Arrives Saturday, Jul 26
Order within 17 hours and 48 minutes
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Features

  • Impact socket features an alignment slot to tighten and loosen most hot-line clamps
  • Single-ended impact socket with hands-free adjustment between socket sizes
  • Two common socket sizes (3/4-Inch and 9/16-Inch hex) in one tool
  • High-torque, 12-Point design is easier to position and works with square fasteners
  • Patent pending design
  • Great for a variety of pole line hardware installation and removal
  • Cross hole design to prevent unintentional separation of adapter and socket

Description

The 3-in-1 Slotted Impact Socket features an alignment slot to tighten and loosen most hot-line clamps. The single socket offers hands-free adjustment between the sizes needed for pole hardware installation and removal. Includes 3/4-Inch and 9/16-Inch hex sizes in a high torque, 12-Point design. Engineered to be used with an impact driver. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857.

Brand: Klein Tools


Item Length: 3.1 Inches


Material: Alloy Steel


Drive System: Hex


Finish Type: Painted


Brand: ‎Klein Tools


Item Length: ‎3.1 Inches


Material: ‎Alloy Steel


Drive System: ‎Hex


Finish Type: ‎Painted


Number of Pieces: ‎1


UPC: ‎092644650871


Global Trade Identification Number: ‎71


Manufacturer: ‎Klein Tools


Part Number: ‎66031


Item Weight: ‎0.8 ounces


Country of Origin: ‎Taiwan


Item model number: ‎66031


Is Discontinued By Manufacturer: ‎No


Style: ‎Socket


Finish: ‎Painted


Power Source: ‎hand_powered


Item Package Quantity: ‎1


Compatible Fastener Range: ‎0.75 inches


Special Features: ‎Slotted Socket, Hands-Free Adjustment


Included Components: ‎3-in-1 Slotted Impact Socket, 12-Point, 3/4 and 9/16-Inch


Batteries Included?: ‎No


Batteries Required?: ‎No


Date First Available: December 22, 2020


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Jul 26

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Must have for linemen
Style: Socket
Works great only wish the slots were larger for hotline clamps
Reviewed in the United States on April 3, 2025 by L

  • Lineman's buddy!
Style: Socket
Great socket for linemen. Popped it on a M18 mid torque 1/2 impact and it's never left. It's become my go to socket for day to day distribution line work. Great for shoes, hotline clamps, cutout arms, you name it. Doesn't replace the nut runners or anything used on the 7/16 M18 Utility impact, but works great on a smaller, lighter impact for tasks that require more dexterity. Can't speak about long term durability. It's been in use on my truck for about 3 months with daily mild to moderate use. ... show more
Reviewed in the United States on December 30, 2024 by Juddson Pollack

  • Must have
Style: Socket
Well built, easily the most used socket I own, 9/16 and 3/4 12 point fits about everything , slots fit well on hot line clamp and roller feet. A Must have in the air or on the ground. Good buy for the money, would recommend.
Reviewed in the United States on December 26, 2024 by justin

  • Great
Style: Socket
This is a great time saving product One handed tool in the impact gun can make for example ( hot tap instal ) easy and safely control the job
Reviewed in the United States on December 22, 2024 by Graham

  • Excellent tool.
Style: Socket
Speeds up production. Saves time looking for other tools. Great price.
Reviewed in the United States on January 22, 2025 by S. Royer

  • Distro linemen have wet dreams about these
Style: Socket
I've had a combo socket 9/16-3/4 and a slot socket for a few years now but this socket takes it up a notch. The Klein 3in1 9/16-3/4-slot socket is a dream for distribution work. Just keep this on your small impact and you won't have to change sockets or fumble with manual tools in rubber gloves nearly as as often. I'm cheap so I know the price seems steep but if you can only afford 1 socket get this one. You only have 1 set of hands so buy this and try to save them (rubber gloves and carpal tunnel are inevitable). I know this is a glowing review and all but if you use this socket hard for 9-12 months expect to replace it as it will wear/spread and bind up much faster than combo sockets without the slot. *Side note if you don't use hot taps or "coily macks" forgo the 3in1 socket and just get a combo socket as it will last longer. Good luck and be safe out there! ... show more
Reviewed in the United States on September 16, 2022 by Gary

  • Great buy and comes in handy to have!
Style: Socket
Inside spring gets stuck so have to play with it sometimes in order to use on smaller bolts but great to have!
Reviewed in the United States on October 28, 2024 by Mathew J Cantu

  • Branding
Style: Socket
Nice brand and seems durable.
Reviewed in the United States on December 1, 2024 by Eve

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