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OLFA 18mm Heavy-Duty Utility Knife (L-1) - Multi-Purpose Custom Cutting Depth Utility Knife w/ Ergonomic Grip Handle & Snap-Off Blade, Replacement Blades: Any OLFA 18mm Blade

4.8 4.8 out of 5 stars 3,462 ratings

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About this item

  • RAZOR SHARP 18mm BLADE - Preloaded with LB Heavy-Duty Silver Snap Blade made from Japanese tool steel for unmatched sharpness and edge retention. The 18mm blade has 8 razor-sharp snap-off segments, great for industrial or construction applications.
  • STURDY HANDLE - Made from high-impact ABS plastic, the handle provides extra leverage for tough cutting projects. The stainless-steel channel keeps the blade firmly in place for safe operation. There's also a keychain/lanyard hole for tethering.
  • CUSTOM RATCHET LOCK CONTROL - Designed with safety in mind, our box cutter's ratchet-based locking system provides custom cutting depths. The blade slider has a wheel locking mechanism for unlimited positions when securing the blade in place.
  • MULTIPURPOSE HEAVY-DUTY DESIGN - The OLFA 18mm L-1 Utility Knife is perfect for tough cutting projects that require extra elbow grease. It delivers accurate cuts through drywall, roofing, flooring, rubber, gasket materials and more.
  • THE OLFA STANDARD - As the original inventor of the Snap-Off Knife, OLFA has maintained a standard of cutting excellence for our quality and durability. Pairing your OLFA 18mm Utility Knife with OLFA 18mm Blades will provide optimal results.

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Useful at the Job Site

Not only will the OLFA 5003 L-1 18mm Ratchet-Lock Heavy-Duty Utility Knife useful at the job site, but also useful at home and for DIY projects. This tool is engineered to have a professional strength stainless steel blade channel that secures the blade for the toughest of cutting jobs.

A Utility Blade

This blade is made of high-quality Japanese grade carbon steel and is carefully designed for unparalleled sharpness and superior edge retention. Durable and easy to use, the OLFA 5003 L-1 18mm Ratchet-Lock Heavy-Duty Utility Knife is great for cutting paper, cardboard, roofing, drywall, vinyl, acetates and other materials.

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    OLFA

    OLFA 18mm Heavy-Duty Utility Knife (L-1) - Multi-Purpose Custom Cutting Depth Utility Knife w/ Ergonomic Grip Handle & Snap-Off Blade, Replacement Blades: Any OLFA 18mm Blade


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    Product Description

    Product Description

    OLFA 5003 L-1 18mm Ratchet-Lock Heavy-Duty Utility Knife

    From the Manufacturer

    Original OLFA Snap-Off Heavy Duty Cutter Features A Contour Durable Handle With A Ratchet-Wheel Blade Locking Mechanism And Unlimited Blade Adjustment. Includes LB Blade.

    Customer reviews

    4.8 out of 5 stars
    4.8 out of 5
    3,462 global ratings

    Customers say

    Customers like the quality, sharpness, performance, ease of operation, and lock of the utility knife. For example, they mention it's well built, does the work very well, and is easy to operate. Customers are also impresseded with the ratchet wheel and the secure lock mechanism.

    AI-generated from the text of customer reviews

    178 customers mention170 positive8 negative

    Customers are satisfied with the quality of the utility knife. They mention it's well-built, sturdy, and strong enough to cut through any material. The blades seem to last longer than generics, and it has a better quality feel. Overall, customers find it to be the best utility knife for precise cuts.

    "...This OLFA cutter is great quality, easy to use and shows the quality difference of being made in Japan instead of China...." Read more

    "...It fits in the slim side pocket in my overalls just right. It stands up to demo work and sheetrock quite well...." Read more

    "...The blades seem to last longer than generics too...." Read more

    "Japan has done it again with this great utilitarian act that can be used for everything from opening the mail to cutting boxes to craft projects and..." Read more

    60 customers mention56 positive4 negative

    Customers are satisfied with the sharpness of the utility knife. They mention that it's sharp and can be sharpened. The blades start very sharp, but dull quickly with minimal use. However, the knife maintains its sharpness longer. It's sturdier, it can be locked in case the child, and has a steel blade guide and locking wheel. It also cuts through foam for crafting like butter. The design of the knife is good, with a secure lock mechanism.

    "...I love the ability to have a new, sharp blade at hand when you need it and the thumbwheel allows you to retract the blade, keeping it safely out of..." Read more

    "...This one is tough. The steel blade guide and locking wheel are really important to me for durability and safety...." Read more

    "The design of the knife is very good, with a secure lock mechanism, but what I don't like is the handle...." Read more

    "...The reviews for this were good and it worked perfectly for me. It is super sharp and a very handy size. Worth the price for me." Read more

    40 customers mention40 positive0 negative

    Customers are satisfied with the performance of the utility knife. They say it works well, it feels solid in the hand, and the actions work great. Some mention that it works on modeling projects of 3/16" or thicker materials, and it's useful for extracting items from hard plastic packages. Overall, most are happy with their purchase and recommend it to others.

    "...I heard about it on a YouTube drywall channel and it has been quite useful...." Read more

    "...The reviews for this were good and it worked perfectly for me. It is super sharp and a very handy size. Worth the price for me." Read more

    "Purchased this razor for cutting edging on a wood table. Worked perfectly" Read more

    "...Have used to score drywall and works well. Easy to snap of old blade when dull." Read more

    39 customers mention39 positive0 negative

    Customers find the utility knife easy to use and convenient. They say it's made ergonomically, safe, and convenient, making it easy to operate with the thumb of your holding hand. They also say the ratchet wheel is great and easy to set the blade to any length, and the locking knob is easy to turn. Customers also say it is a pleasure to use, and no other tools are required.

    "...This OLFA cutter is great quality, easy to use and shows the quality difference of being made in Japan instead of China...." Read more

    "...grip on this one is thicker and more comfortable; makes it easy to use it repeatedly over the course of a work-day...." Read more

    "...It's a pleasure to use and I look forward to gifting these to other friends of mine." Read more

    "...Ease of use, ease of reloading blades, no frustrating bs, yes, buy about 4 and never look back." Read more

    38 customers mention33 positive5 negative

    Customers like the lock on the utility knife. They say it has a secure ratchet mechanism and the dial locking mechanism is second to none. The steel blade guide and locking wheel are also important for durability and safety. The screw-tightener is always secure and the blades can be locked in while in use.

    "...This one is tough. The steel blade guide and locking wheel are really important to me for durability and safety...." Read more

    "The design of the knife is very good, with a secure lock mechanism, but what I don't like is the handle...." Read more

    "I love that one can choose the extension of the blade and keep it tight with the screw...." Read more

    "...The handle is ergonomic, sturdy and the dial locking mechanism is second to none. Blade replacement is a breeze, but don’t forget to buy some." Read more

    32 customers mention32 positive0 negative

    Customers find the utility knife easy to grip. They say it has a good feel, and it fits comfortably in the hand. They also say the handle is ergonomic, and the dial locking mechanism is second to none. Customers also say that it doesn't hurt their hands after long usage.

    "Compared to other knives I have used, the grip on this one is thicker and more comfortable; makes it easy to use it repeatedly over the course of a..." Read more

    "...Nope, this knife is not only ergonomic but the blades are so sharp they cut through those heavy duty shipping boxes like they were butter...." Read more

    "...It allows you to control the amount of blade extended, and fits the hand so well. This is a very well-constructed utility knife...." Read more

    "...It is comfortable to hold and relatively light and easy to use. I highly recommend the product and the vendor." Read more

    18 customers mention18 positive0 negative

    Customers like the adjustability of the utility knife. They mention that it's easy to adjust the blade length and install a new strip of blades. The blade can be adjusted for any depth cut, so scoring is easy with just a click. The lock wheel allows for infinite adjustability, and the amount of blade extended allows for more control over depth of cut.

    "...It's sharp and cuts through cardboard boxes with ease. I like its adjustability; you can make it short like the fixed or folding utility knives or..." Read more

    "...It allows you to control the amount of blade extended, and fits the hand so well. This is a very well-constructed utility knife...." Read more

    "...This one can be set to exactly the depth you want, and when you tighten the wheel, it will not slip while cutting even the hardest material...." Read more

    "...I really like the fact that you can adjust the blade precisiely where you want it and tighten it down...." Read more

    18 customers mention18 positive0 negative

    Customers find the replacement blades of the utility knife to be easy to snap off and replace. They also appreciate the convenience of not having to change blades common with other knives. Overall, customers are happy with the ease of use and maintenance of the tool.

    "...Ease of use, ease of reloading blades, no frustrating bs, yes, buy about 4 and never look back." Read more

    "...Have used to score drywall and works well. Easy to snap of old blade when dull." Read more

    "...Blade replacement is a breeze, but don’t forget to buy some." Read more

    "...It not only cuts better, but the snap off blade part is also more convenient for getting a fresh sharp blade...." Read more

    Sharp and adjustable
    5 Stars
    Sharp and adjustable
    Stellar knife. It's sharp and cuts through cardboard boxes with ease. I like its adjustability; you can make it short like the fixed or folding utility knives or you can make it have a long blade.
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    Top reviews from other countries

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    Amazon Customer
    5.0 out of 5 stars Olfa are the best
    Reviewed in Canada on February 8, 2024
    Number of Items: 1Verified Purchase
    EMILIO NETO
    5.0 out of 5 stars A lâmina fica firme no estilete.
    Reviewed in Brazil on July 11, 2021
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    5.0 out of 5 stars Duradero
    Reviewed in Spain on November 29, 2023
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    Alex
    5.0 out of 5 stars Fiable pour un large éventail de besoins de coupe.
    Reviewed in France on November 6, 2023
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    Alberto Arcangeli
    5.0 out of 5 stars una garanzia
    Reviewed in Italy on September 23, 2023
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