Klein Tools Professional Serra...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$77.59
$21.41
Klein Tools DK06 Serrated Duct Knife

Klein Tools Professional Serrated Duct Knife with Cushion-Grip Handle and Nylon Sheath

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Model: DK06
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$21.41
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Klein Tools Professional Serrated Duct Knife with Cushion-Grip Handle and Nylon Sheath

Professional dual-edge cutting tool for duct board and flexible duct applications

The Klein Tools Professional Serrated Duct Knife delivers reliable cutting performance for HVAC professionals and electricians working with duct board and flexible duct materials. Featuring a double-edged stainless steel blade with fine and serrated edges, this 10.781" overall length tool combines precision cutting capability with the comfort of a Cushion-Grip� handle and includes a puncture-resistant nylon sheath with belt loop for secure carrying.

Professional Features & Benefits

  • 5.5" Stainless Steel Blade: Provides long-lasting sharpness and corrosion resistance for consistent cutting performance in demanding work environments.
  • Double-Edged Design: Fine edge on one side for precision cuts and serrated edge on the other for aggressive cutting through tough duct materials.
  • Cushion-Grip� Handle: Reduces hand fatigue during extended use while providing secure grip control for safe operation.
  • Puncture-Resistant Nylon Sheath: Protects blade integrity and provides safe storage with convenient belt loop for hands-free carrying.
  • Lightweight 8.5 oz Design: Minimizes user fatigue while maintaining robust construction for professional durability.
  • 10.781" Overall Length: Optimal size balance for maneuverability and cutting leverage in tight installation spaces.

Technical Specifications

  • Blade Length: 5.5" (14 cm)
  • Blade Material: Stainless Steel
  • Department: Electrical
  • Handle Length: 5.281" (13.4 cm)
  • Item Depth: 1.0000 in
  • Item Height: 1.0000 in
  • Item Weight: 0.5300 lbs
  • Item Width: 1.0000 in
  • Overall Length: 10.781" (27.4 cm)
  • Product Group: Hand Tools
  • Product Subgroup: Knives & Blades
  • Weight: 8.5 oz (241 g)

Professional Applications

  • HVAC duct board cutting and installation
  • Flexible duct modification and repair
  • Electrical contractor ductwork preparation
  • Commercial HVAC system installation
  • Residential duct system maintenance
  • Industrial ventilation system work

Why Choose Klein Tools Quality?

Klein Tools delivers professional-grade hand tools engineered for durability and performance in demanding work environments. The stainless steel blade construction and puncture-resistant nylon sheath demonstrate Klein Tools' commitment to long-lasting tool reliability and user safety in professional applications.

Manufacturer Resources

Spec Sheet

Product Specs

Blade Length:
5.5" (14 cm)
Blade Material:
Stainless Steel
Handle Length:
5.281" (13.4 cm)
Item Depth:
1.0000 in
Item Height:
1.0000 in
Item Weight:
0.5300 lbs
Item Width:
1.0000 in
Overall Length:
10.781" (27.4 cm)
Department:
Electrical
Product Group:
Hand Tools
Product Subgroup:
Knives & Blades
Product Weight:
8.5 oz (241 g)
Product Type:
Operating Handle

Klein Tools DK06 – Frequently Asked Questions

1) Will the Klein Tools DK06 duct knife cut rigid fiberglass duct board as well as flex duct?
Yes. The DK06 is built for both duct board and flexible duct work. The stainless steel blade is double edged: a fine edge on one side for clean, controlled cuts in duct board facing, and a serrated edge on the other for sawing through tough flex duct insulation and scrim. At 5.5 inches of blade you have enough length to get through board thickness in one pass and work the serrations through flex without bottoming out.
2) Is the Klein DK06 duct knife long enough to work in a tight ceiling plenum or equipment closet?
Overall length is 10.781 inches, split as a 5.5 inch blade and a 5.281 inch handle, so it is roughly half blade and half grip. That gives you a full hand on the Cushion-Grip while still keeping the tool short enough to swing in a ceiling cavity or behind an air handler. For deep interior cuts inside a long duct run, the 5.5 inch blade is the limit of your reach.
3) Does the Klein DK06 duct knife come with a sheath, or do I have to buy one separately?
A puncture-resistant nylon sheath is included, and it has a belt loop so the knife rides on your tool belt instead of loose in a bag. Nothing else to buy to carry it safely.
4) What exact Klein Tools model number is the serrated duct knife with the nylon sheath?
It is Klein Tools model DK06. One configuration only, no handing or size options to specify, so a purchase order just needs DK06.
5) Is a serrated duct knife the right tool, or should I be using snips for duct board?
A serrated duct knife like the DK06 is the tool for cutting and shaping fiberglass duct board and for slicing through flex duct insulation and inner liner, where snips bind or tear the facing. Snips remain the better choice for sheet metal duct and hanger strap, which a knife blade will not cut. Many HVAC crews carry both and use the DK06 for board fabrication, male and female shiplap trimming, and flex modification or repair.
6) How heavy is the Klein DK06 duct knife for all-day overhead duct work?
It weighs 8.5 oz (241 g). That is light enough to hold overhead while trimming board or flex without much wrist fatigue, and the Cushion-Grip handle takes the pressure off your palm on repeated cuts.
7) Will a stainless duct knife blade hold up around fiberglass and rooftop work, or should I expect it to rust?
The DK06 blade is stainless steel, which is the reason to pick it for duct work: fiberglass dust and the damp conditions in rooftop and mechanical-room installs are what pit a carbon blade. Stainless resists corrosion and the sheath keeps the edge protected between cuts.
How fast can I get the Klein Tools DK06 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 DK06 come with a warranty?
Absolutely. The Klein Tools DK06 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 DK06?
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 DK06 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.
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