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Ingersoll Rand SK4C3F 1/2-Inch Drive 3-Piece Lugnut Service Flip Impact Socket Set

4.7 out of 5 stars 188 customer reviews
| 6 answered questions

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  • Tough and versatile 1/2-inch 3-piece flip impact socket set
  • Forged chrome-molybdenum steel for high-strength durability
  • Laser-etched size labeling
  • Electro-phosphate finish for a sleeker look and high visibility
  • Limited lifetime warranty
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$27.50 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com.

Frequently Bought Together

  • Ingersoll Rand SK4C3F 1/2-Inch Drive 3-Piece Lugnut Service Flip Impact Socket Set
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Total price: $451.38
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Product Description

Product Description

Hardened high-grade steel construction and heat treated to withstand rough use and hard pounding. Includes 3/4in. x 13/16in. standard flip socket, 19mm x 21mm metric flip socket and 3in. extension. Flip Impact Socket (in.): 3/4 x 13/16, Material Type: Hardened high grade steel, Flip Impact Socket (mm): 19 x 21, Drive (in.): 1/2, Pieces (qty.): 3, Extension Length (in.): 3

Amazon.com

Ingersoll Rand’s SK4C3F 1/2-inch drive three-piece lug nut service flip impact socket set includes one 3/4-inch by 13/16-inch socket, one 19-mm by 21-mm socket, and one 3-inch extension socket. Ideal for automotive work, the SK4C3F set in its convenient heavy-duty plastic storage case is easily transportable from the garage to the shop to the work site.

At a Glance
SK4C3F 1/2-Inch Drive
3-Piece Lugnut Impact Socket Set
At a Glance:
  • Sockets included: 3/4-inch by 13/16-inch, 19 mm by 21 mm, and 3-inch extension

  • Case dimensions: 5.5 inches by 1.75 inches by 3.75 inches; weighs 1.5 pounds

  • Forged chrome-molybdenum steel for high-strength durability

  • Backed by a lifetime warranty

At a Glance
Ingersoll Rand SK4C3F lugnut sockets
Ingersoll Rand's SK4C3F 1/2-inch drive lug nut service flip impact socket set is ideal for common autmotive projects. View larger
Features
These sockets’ impact-grade toughness is designed for high-torque applications, and the forged chrome-molybdenum steel provides high-strength durability. The electro-phosphate finish presents a sleeker look for higher visibility, and the laser-etched size labeling makes for easier identification—which means less time spent fumbling for the right size and more time spent getting the job done faster.


About Ingersoll Rand
With a history dating back to 1871, Ingersoll Rand and its family of brands represents a proven history in construction, mining, industrial, and commercial markets. Through acquisitions, innovations, and customer focus, today's Ingersoll Rand offers market-leading solutions and services that enable customers to create progress through a variety of industries and markets that touch everyday life.

What's in the Box
One Ingersoll Rand SK4C3F 1/2-inch drive three-piece lug nut service flip impact socket set and one molded plastic case.

Ingersoll Rand SK4C3F lugnut sockets
Ingersoll Rand's SK4C3F three-piece impact socket set comes with a tough blow-molded plastic case. (Click to enlarge)

Product Information

Technical Details

Part Number SK4C3F
Item Weight 1.5 pounds
Product Dimensions 5.5 x 1.7 x 3.7 inches
California residents Click here for Proposition 65 warning
Item model number SK4C3F
Size 1
Item Package Quantity 1

Technical Specification

Warranty [pdf ]

Additional Information

ASIN B000HGKR5K
Customer Reviews
4.7 out of 5 stars 188 customer reviews

4.7 out of 5 stars
Best Sellers Rank #31,767 in Home Improvements (See top 100)
#49 in Home Improvement > Power & Hand Tools > Hand Tools > Sockets & Socket Sets > Drive Sockets > Triple Square Drive
#2,356 in Home Improvement > Contractor Supply
Shipping Weight 3.1 pounds (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available October 5, 2006

Warranty & Support

Warranty, Parts:Parts
For warranty information about this product, please click here [PDF ]

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
I cannot state enough, how useful this set has been!

Makes changing tires a breeze. (Unless of course you have aftermarket wheels that require special thin-wall sockets)
I used this to remove the lug nuts on the following cars:
2013 Subaru Impreza WRX STi - 19mm
2003 Mitsubishi Montero -21mm
1994 Nissan Maxima - 21mm
This coupled with a good impact (I purchased a Hitachi Hitachi WR18DSDL 18-volt Lithium-Ion 1/2-Inch Impact Wrench) beats using the stock wheel brace.
I do not recommend tightening with just the impact. Always use a torque wrench and check the torques after ~50 miles.
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By stsk on April 12, 2008
Verified Purchase
Like all of IR's impact sockets, these are beautifully finished and sturdy. It's nice having all four of the most common lugnut sockets in a relatively compact combo. The walls of the sockets are a little thick for some alloy wheels with small nut openings, but that's the price for a little extra strength. Lugnut sockets get more use than most impact sockets and need to have a little extra meat.
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Verified Purchase
I bought these about six months ago and have used them a fair amount. I really like the quality of Ingersoll Rand tools. Even though they are not made in the USA they do appear to have good control over the quality of the items they put their name on. These things are strong and work like a charm. I like their products so much that I bought their complete line of 3/8" and 1/2" SAE and Metric impact sockets. The whole thing cost me about $250 but I am happy with the purchase. It just goes to show that it is possible for decent tools to come out of Taiwan if the US companies insist on proper quality controls. Given a choice I would much have preferred SK, Matco, or Snap On tools. But the prices these companies charge is too much. Matco is getting wise to it as they are now starting to outsource some tools to Taiwan but they still want to charge the US consumer almost the same as if the tools were made here. I am a firm believer that in exchange for the countless American jobs we have lost to globalization at the very least American corporations owe it to the US consumer to pass on the savings to them in the way of lower prices. However, many American companies outsource their manufacturing but still want to charge ridiculous prices for re-branded products made overseas and pocket the enormous profits themselves. When I buy a product made overseas I am going to be sure that I pay significantly less than what equivalent products made in the US cost. Oh and by the way I still want a good quality product. If you cannot deliver these things to me they I guess I won't buy your products period. These are a good buy though. Yes they are a little more expensive then some of the same products from unknown brands but you are getting a quality assurance with the IR brand name. If and when these other Asian manufacturers prove to me that their quality is equivalent or better than the likes of IR I will happily buy their products (at a discount of course).
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Verified Purchase
Great set for emergencies! I have this set in my truck box in the bag I have my Milwaukee M18 1/2" impact gun in. Really comes in handy if you have a flat tire and/or stop to help someone with theirs. It comes in a nice gray blow molded case that is just the right size to hold the sockets, but not be in the way all the time in a tool bag. The double sided sockets save space and yet are just as strong once attached to the adapter that you won't even notice the difference from a regular socket and adapter. Note that this does affect the torque output of your tool, as any adapter does, but the design of it does allow for as little loss as possible. Worthy addition to a truck box tool arsenal.
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Verified Purchase
I just got the set and it's so handy no guessing which size lug nut socket i need i have the two most common i work as a auto tech in a shop that has multiple bays and walking between bays for tools gets annoying this just makes it nice seams very heavy duty
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Verified Purchase
If you have a car with wheels you really care about you must have a lug set that will grip the lug to close tolerance and will not mar the wheel (in my case the lug head is recessed in the wheel). The adapter/extender included seats firmly and maintains a solid unit without slop that you would get from a more inferior product.
This set is strong, has good tolerances and does not slip when used with an impact wrench.
However, I also place Gorilla tape around the outside of the socket to be certain that it doesn't mar the wheel as it spins. This works great.
This set works great. You can pay much more for custom sockets from boutique manufacturers but why do it. And this gives you sockets for all your other cars too. Comes in a compact strong case too.
This is a no brainer.
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Verified Purchase
This is brilliant! A compact little set, which allows you to take off four different sizes of lug nuts with only three parts. I know Ingersol Rand is not the only one to make this, but this set is very well-built, the parts fit perfectly, and it comes with a nice little blow-molded case to keep all these parts together.

I just recently purchased an impact gun and needed something to remove and replace lug nuts. I got this kit, based on the well-known name of Ingersoll Rand. I have been pleased with the performance of this kit. It works well on my impact wrench. It accepts the 'lock' adapter for the locking lug nut. It snaps off quickly and fits onto my torque wrench for final tightening of the lug nut to proper specifications. In short, it does what it says it does, without any fuss.

I definitely recommend this kit.
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