Klein Tools Compact Folding He...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$69.49
$19.49

Klein Tools Compact Folding Hex Key Set SAE 9-Piece with Heat-Treated CR-V Steel

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Model: 70540
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$69.49
$19.49
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Klein Tools Compact Folding Hex Key Set SAE 9-Piece with Heat-Treated CR-V Steel

Professional-grade folding hex key set for versatile field applications

The Klein Tools Compact Folding Hex Key Set delivers professional reliability with 9 SAE hex key sizes in one convenient folding tool. Featuring heat-treated CR-V steel construction with black phosphate finish and reinforced nylon handle, this compact set provides maximum durability and portability for electrical, maintenance, and general trade applications.

Professional Features & Benefits

  • 9 SAE Hex Key Sizes: Complete range from 5/64" to 1/4" covers most common fastener requirements in one compact tool
  • Heat-Treated CR-V Steel Construction: Superior strength and durability with best-in-class rust prevention for long-lasting performance
  • Square-Cut Hex Ends: Secure, full-depth fit provides maximum contact with socket to prevent slippage and stripping
  • 270-Degree Independent Blade Opening: High-leverage blades open independently for optimal access and working angles
  • Reinforced Nylon Handle: Sturdy, comfortable grip with side openings for unimpeded access to outer keys
  • Compact Folding Design: Portable and pocketable at 4.56" overall length for convenient carrying and storage
  • Adjustable Key Tension: Phillips fastener allows effortless adjustment of key tightness or looseness for optimal operation

Technical Specifications

  • Color: Orange
  • Country Of Origin: Vietnam
  • Department: Electrical
  • Depth: 4.5000 in
  • End: Flat
  • Handle Length: 4.6" (11.6 cm)
  • Height: 1.0800 in
  • Key Lengths: 2,5" (6.35 cm)
  • Material: CR-V steel
  • Measurement Standard: SAE
  • Number Of Pieces: 9
  • Overall Height: 1.6" (4.1 cm)
  • Overall Length: 4.56" (11.6 cm)
  • Overall Width: 1.08" (2.7 cm)
  • Product Details: Folding Set
  • Product Finish: Black Phosphate
  • Product Group: Hand Tools
  • Product Size: 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4"
  • Product Subgroup: Hammers & Wrenches
  • Product Type: Folding Set
  • Weight: 0.4200 lbs
  • Width: 1.4500 in

Installation & Operation

  1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
  2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
  3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
  4. Configure any available load management or control features as supported by the provided specifications.
  5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

  • Electrical panel and equipment maintenance
  • HVAC system installation and service
  • Industrial machinery assembly and repair
  • Commercial facility maintenance
  • Automotive and equipment service
  • General construction and trade work
  • Field service and emergency repairs

Why Choose Klein Tools Quality?

Klein Tools delivers professional-grade reliability with heat-treated CR-V steel construction and black phosphate finish for superior corrosion resistance. The reinforced nylon handle and precision-engineered folding mechanism ensure long-lasting durability and consistent performance in demanding trade applications.

Manufacturer Resources

Product Specs

Country Of Origin:
Vietnam
Depth:
4.5000 in
End:
Flat
Handle Length:
4.6" (11.6 cm)
Key Lengths:
2,5" (6.35 cm)
Measurement Standard:
SAE
Number Of Pieces:
9
Overall Height:
1.6" (4.1 cm)
Overall Length:
4.56" (11.6 cm)
Overall Width:
1.08" (2.7 cm)
Department:
Electrical
Product Group:
Hand Tools
Product Subgroup:
Hammers & Wrenches
Product Type:
Folding Set
Product Finish:
Black Phosphate
Product Size:
5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4"
Product Details:
Folding Set
Product Color:
Orange
Product Height:
1.0800 in
Product Material:
CR-V steel
Product Weight:
0.4200 lbs
Product Width:
1.4500 in

Klein Tools 70540 – Frequently Asked Questions

How fast can I get the Klein Tools 70540 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 70540 come with a warranty?
Absolutely. The Klein Tools 70540 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 70540?
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 70540 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.