Klein Tools Klein-Kurve Retrac...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$73.96
$29.76
Klein Tools 44133 Klein-Kurve® Retractable Utility Knife

Klein Tools Klein-Kurve Retractable Utility Knife with Wire-Stripping Notch and 440A Stainless Steel Blades

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Model: 44133
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$73.96
$29.76
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Klein Tools Klein-Kurve Retractable Utility Knife with Wire-Stripping Notch and 440A Stainless Steel Blades

Professional utility knife designed for improved comfort and cutting performance

The Klein Tools Klein-Kurve Retractable Utility Knife delivers professional-grade cutting performance with enhanced comfort and control. Featuring rubber grips on the handle and heavy-duty durable construction, this utility knife is designed for improved comfort and cutting ability. The knife includes a wire-stripping notch for added versatility and comes with internal blade storage that holds six high-quality 440A stainless steel blades.

Professional Features & Benefits

  • 440A Stainless Steel Blades: Triple ground blades stay sharp longer, reducing blade changes and maintaining consistent cutting performance throughout demanding tasks.
  • Wire-Stripping Notch: Integrated notch provides versatile functionality for electrical work, eliminating the need for separate wire-stripping tools on many jobs.
  • Rubber Handle Grips: Orange/black rubber handle material delivers improved control and comfort during extended use, reducing hand fatigue.
  • Internal Blade Storage: Built-in storage holds six blades, ensuring replacement blades are always available and organized for continuous productivity.
  • Heavy-Duty Construction: Durable design withstands professional use while maintaining reliable retraction and blade security.
  • Klein-Kurve Design: Engineered for improved comfort and cutting ability, optimizing ergonomics for professional applications.

Technical Specifications

  • Accessories: 44101, 44103
  • Blade Material: 440A Stainless Steel
  • Department: Electrical
  • Handle Color: Orange/Black
  • Handle Material: Rubber
  • Item Depth: 6.8750 in
  • Item Height: 1.0000 in
  • Item Weight: 0.4700 lbs
  • Item Width: 1.0000 in
  • Length Closed: 6.5" (16.5 cm)
  • Number Of Blades: 6
  • Overall Length: 7" (17.8 cm)
  • Product Group: Hand Tools
  • Product Subgroup: Knives & Blades
  • Weight: 7.5 oz (213 g)

Professional Applications

  • Electrical Installation and Maintenance
  • Construction and Renovation Projects
  • Industrial Maintenance Operations
  • Commercial Facility Management
  • Professional Contracting Work
  • General Utility and Cutting Tasks

Why Choose Klein Tools Quality?

Klein Tools delivers professional-grade hand tools engineered for durability and performance. The Klein-Kurve Retractable Utility Knife combines heavy-duty construction with thoughtful design features like rubber grips and internal blade storage, ensuring reliable operation in demanding professional environments.

Manufacturer Resources

Spec Sheet

Product Specs

Accessories:
44101, 44103
Blade Material:
440A Stainless Steel
Handle Color:
Orange/Black
Handle Material:
Rubber
Item Depth:
6.8750 in
Item Height:
1.0000 in
Item Weight:
0.4700 lbs
Item Width:
1.0000 in
Length Closed:
6.5" (16.5 cm)
Number of Blades:
6
Overall Length:
7" (17.8 cm)
Department:
Electrical
Product Group:
Hand Tools
Product Subgroup:
Knives & Blades
Product Weight:
7.5 oz (213 g)
Product Type:
Utility Knife
Product Width:
1 in
Product Depth:
6.875 in
Product Height:
1 in

Klein Tools 44133 – Frequently Asked Questions

1) Does the Klein Tools 44133 utility knife come with blades, and how many?
Blades are included and stored in the handle. The 44133 Klein-Kurve retractable utility knife holds six 440A stainless steel blades in its internal storage compartment, so spares ride with the tool instead of loose in a pouch.
2) What replacement blades fit the Klein 44133 Klein-Kurve utility knife?
Klein lists 44101 and 44103 as the accessories for the 44133 knife. Order those when the six 440A stainless blades in the handle run out.
3) Can an electrician strip wire with this Klein utility knife, or is a separate stripper still needed?
There is a wire-stripping notch built into the 44133, so light stripping can be done with the knife on the ladder rather than swapping tools. It is a notch on a utility knife, not a gauged stripper, so conductor-size work still calls for a dedicated stripper. Klein files the tool under its Electrical department for that reason.
4) How big is the Klein 44133 knife closed, and will it sit in a pouch or pocket?
Closed length is 6.5 inches (16.5 cm) and 7 inches (17.8 cm) with the blade out, at about 1 inch wide and 1 inch high. At 7.5 oz (213 g) it is a pouch or tool-bag tool rather than a shirt-pocket knife.
5) Is the blade on the 44133 retractable or a fixed snap-off?
It is a retractable utility knife, not a snap-off segmented blade. The blade withdraws into the body for carry, and the tool takes standard Klein utility blades (44101, 44103) rather than snap-off strips.
6) Will this Klein knife hold up to daily MRO and jobsite use, or is it a light-duty tool?
The 44133 is built for full-time trade use: heavy-duty body, rubber grips on the handle for control with gloves or wet hands, and triple-ground 440A stainless blades that hold an edge longer between changes. It is the kind of knife standardized across an electrical or facilities crew.
7) What color is the Klein 44133 handle?
Orange and black rubber. The orange body is easy to spot in a gang box or on a dark attic floor, which matters when a crew shares tools.
How fast can I get the Klein Tools 44133 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 44133 come with a warranty?
Absolutely. The Klein Tools 44133 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 44133?
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 44133 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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