Klein Tools Utility Blades...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$15.39

Klein Tools Utility Blades

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Model: 44126

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

$15.39
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Klein Tools Utility Knife Blades 10-Pack Heavy-Duty Steel Triple-Ground Edge Replacement Blades

Professional-Grade Replacement Blades for Maximum Cutting Performance

The Klein Tools Utility Knife Blades 10-Pack delivers professional-grade cutting performance for demanding jobsite applications. These heavy-duty steel replacement blades feature triple-ground cutting edges designed for electricians, contractors, and construction professionals, providing the reliable sharpness and industry-leading quality that tradesmen demand from America's most trusted tool manufacturer.

Professional Features & Benefits

Superior Cutting Performance

  • Triple-Ground Cutting Edge - Provides exceptionally sharp edge that stays sharp longer for consistent, reliable cuts task after task
  • Heavy-Duty Steel Construction - Engineered for toughness and durability to handle the most demanding cutting applications
  • Reversible Blade Design - Two cutting edges per blade provide extended life and maximum value for professional use
  • Universal Compatibility - Designed and sized to fit most standard utility knives for versatile jobsite applications

Professional Durability & Safety

  • Precision Manufacturing - Klein Tools quality control ensures consistent blade thickness and cutting performance
  • Jobsite Material Compatibility - Engineered to cut the most common construction and electrical materials efficiently
  • Professional Safety Standards - Manufactured to Klein Tools rigorous safety and quality specifications for reliable performance

Technical Specifications

Blade Length: 2.4 inches (6.1 cm), Blade Thickness: 0.024 inches (0.61 mm), Material: Heavy-duty steel construction, Edge Type: Triple-ground cutting edge, Package Quantity: 10 replacement blades, Overall Dimensions: 1 inch length x 2.5 inches width x 0.4 inches height, Weight: 0.09 lbs, Country of Origin: China, Compatibility: Fits most standard utility knives

Installation & Usage

  1. Ensure utility knife is closed and locked before blade replacement for safety
  2. Remove old blade following manufacturer's blade change procedure for your specific knife model
  3. Insert new Klein Tools blade ensuring proper alignment and secure fit in blade holder
  4. Test blade security by gently pulling before closing knife housing
  5. When blade becomes dull, reverse blade to utilize second cutting edge for extended life
  6. Always dispose of used blades safely in appropriate blade disposal container

Professional Applications

Ideal for:

  • Electrical Installation - Cutting cable sheathing, wire insulation, and electrical tape with precision
  • Construction Work - Trimming drywall, cutting roofing materials, and general construction cutting tasks
  • HVAC Applications - Cutting duct tape, insulation materials, and flexible ductwork
  • Telecommunications - Precise cutting of cable jackets and communication wire preparation
  • Industrial Maintenance - General cutting tasks in manufacturing and maintenance environments
  • Residential Projects - Home improvement cutting tasks including flooring, trim work, and material preparation
  • Commercial Electrical - Professional electrical contractor cutting applications
  • Packaging and Shipping - Cutting cardboard, plastic strapping, and packaging materials efficiently

Triple-Ground Edge Advantage

Klein Tools triple-ground edge technology delivers superior cutting performance through precision manufacturing processes that create an exceptionally sharp blade edge. This advanced grinding technique ensures consistent sharpness retention, reduced cutting effort, and professional-quality results that meet the demanding requirements of electrical and construction professionals.

Why Choose Klein Tools Quality?

Since 1857, Klein Tools has maintained its commitment to manufacturing the highest quality tools for electrical professionals. These utility knife blades represent over 165 years of tool-making expertise, incorporating rigorous testing protocols, premium materials, and precision manufacturing standards that ensure reliable performance in the most demanding professional applications.



KLN-44124 - spec sheet

Product Specs

Sharpenable:
No
Department:
Electrical
Blade Material:
Steel
Product Type:
Utility Blade
Product Details:
Blade
Product Subgroup:
Knives & Blades
Blade Thickness:
0.024" (0.61 mm)
Product Group:
Hand Tools

Klein Tools 44126 – Frequently Asked Questions

1) Will Klein Tools 44124 utility blades fit my existing utility knife?
They're sized to fit most standard utility knives. The blade is 2.4 inches long and 0.024 inches (0.61 mm) thick, which is the standard trapezoid utility blade dimension, so if your knife takes common replacement blades it will take these. Load it with the knife closed and locked, seat it in the holder, and tug lightly to confirm it's captured before closing the housing.
2) Should I order the straight blade or the hook blade Klein utility blades?
Straight blades (44124 in a 10-pack, 44125 in a 50-pack dispenser) are the general purpose choice for cardboard, drywall, insulation, tape, and cable jacket work. Hook blades (44126 in a 10-pack, 44127 in a 50-pack dispenser) pull material into the cut instead of pushing through it, which is what you want on roofing shingles, felt, carpet, and vinyl where a straight point tends to dive into the substrate. Crews doing both usually keep a pack of each on the truck.
3) Is the 10-pack or the 50-pack dispenser better for stocking a crew?
For a single tech or a truck kit, the 10-pack (44124 straight, 44126 hook) is enough. For an MRO storeroom, a shop crib, or a multi-crew jobsite, the 50-pack dispensers (44125 straight, 44127 hook) are the stocking format, and the dispenser body keeps loose blades out of a drawer and gives you a controlled way to pull one at a time.
4) Can these Klein utility blades be sharpened when they go dull?
No. These are disposable steel blades, not resharpenable. What you do instead is flip them: the blade is reversible with two cutting edges, so when the first edge dulls you reverse it in the holder and use the second. Once both edges are gone, the blade goes in a sharps or blade disposal container.
5) Are these blades heavy enough for cutting cable sheathing and MC jacket work, or will they snap?
At 0.024 inch (0.61 mm) the blade is standard heavy-duty utility gauge, and the triple-ground edge is what Klein puts on them for cable sheathing, wire insulation, and electrical tape. That thickness is what resists flex and snapping in a lateral cut. For scoring cable jacket, the usual practice still applies: score, don't bury the blade, so you don't nick the conductor insulation.
6) What materials will the straight Klein 44124 blade handle on a construction site?
Drywall trimming, roofing material, duct tape and insulation, flexible ductwork, cable and communication wire jackets, flooring and trim work, plus cardboard and plastic strapping on the shipping dock. It's a general jobsite blade rather than a specialty one, which is why electrical, HVAC, and telecom crews all carry the same pack.
7) What part number do I order for Klein hook blades in a 50-pack?
Klein Tools 44127 is the hook blade 50-pack dispenser. The hook 10-pack is 44126. On the straight side, 44125 is the 50-pack dispenser and 44124 the 10-pack.
How fast can I get the Klein Tools 44126 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 44126 come with a warranty?
Absolutely. The Klein Tools 44126 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 44126?
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 44126 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.