Klein Tools K7 Nut Driver Set,...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$139.26
$91.55

Klein Tools K7 Nut Driver Set, 3-Inch Shafts, 7-Piece

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Model: K7
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$139.26
$91.55
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Nut Driver Set, 3-Inch Shafts, 7-Piece
  • Warnings

    • NOT insulated. Will NOT protect against electrical shock.
    • Always wear approved eye protection.
  • Features

    • Meets or exceeds applicable ASME / ANSI specifications
    • Hollow shafts facilitate work on stacked circuit boards or other long bolt applications
    • Smooth Comfordome handles fit the palm of the hand comfortably and are color-coded for easy identification
    • Tool set with convenient vinyl pouch that hangs up, rolls up
    • Chrome-plated shaft helps prevent corrosion
    • Internal flanges provide solid, twist-resistant shaft anchor
    • Made in USA
    • Nut driver sizes - 3/16-Inch, 1/4-Inch, 5/16-Inch, 11/32-Inch, 3/8-Inch, 7/16-Inch, 1/2-Inch


K7 - spec sheet

Manufacturer Resources

Product Specs

Item Depth:
9.4000 in
Item Height:
1.5000 in
Item Weight:
1.1500 lbs
Item Width:
7.9000 in
Department:
Electrical
Product Group:
Hand Tools
Product Subgroup:
Screwdrivers & Drivers
Product Weight:
19.2 oz (544 g)
Product Type:
Nut Driver
Country Of Origin:
United States
Product Width:
7.9 in
Product Height:
1.5 in
Product Depth:
9.4 in

Klein Tools K7 – Frequently Asked Questions

1) What sizes come in the Klein Tools K7 nut driver set?
Seven drivers: 3/16, 1/4, 5/16, 11/32, 3/8, 7/16 and 1/2 inch. That covers the common fractional hex sizes on panel screws, sheet metal screws and standoffs, so an electrician generally isn't hunting for an odd size mid-job. All shafts are 3 inches.
2) Can I use Klein K7 nut drivers on live electrical circuits?
No. The K7 set is not insulated and will not protect against electrical shock. Klein states that plainly in the product warnings. For energized work you need drivers rated and marked as insulated (1000V VDE type), not these. Approved eye protection is called for either way.
3) Are the shafts on the Klein K7 set hollow so they can run down a long bolt?
Yes, the shafts are hollow. That lets the driver pass over a long bolt or threaded standoff instead of bottoming out on it, which is why this set gets used on stacked circuit boards and long-bolt assemblies. The trade-off is reach: the shafts are 3 inches, so for deep recesses you'd want a longer-shaft or 6-inch version instead.
4) Will the shafts spin loose in the handles or rust over time?
Internal flanges anchor each shaft in the handle to resist twisting under torque, and the shafts are chrome plated to resist corrosion. The set is made in the USA and meets or exceeds applicable ASME/ANSI specifications.
5) What is the Klein part number for the 7-piece 3-inch nut driver set?
Order it as Klein Tools K7. One model number covers the complete 7-piece set with the vinyl pouch; there are no size or finish options to specify.
6) Does the Klein K7 nut driver set come with a case or pouch?
It ships in a vinyl pouch that rolls up and hangs, so the set can go on a panel door or in a tool bag without the drivers scattering. Nothing else is required to use the set.
7) How do I tell the Klein nut drivers apart quickly in a bag?
The Comfordome handles are color-coded by size, so you can pull the right one by sight rather than reading stamped markings in a dark panel. The handles are smooth and rounded to sit in the palm for palm-driving smaller fasteners.
8) How much does the Klein K7 nut driver set weigh and how big is the pouch?
The full 7-piece set weighs 19.2 oz (544 g), listed elsewhere as 1.15 lbs, and the packed dimensions are 9.4 x 7.9 x 1.5 inches. Light enough to keep in a service bag as a permanent resident rather than pulling it for each job.
How fast can I get the Klein Tools K7 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Klein Tools K7 come with a warranty?
Absolutely. The Klein Tools K7 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Klein Tools K7?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Klein Tools K7 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.