Knipex Utility Knife Review
Knipex is known for premium pliers, but their utility knife range offers a different take on everyday cutting. This review examines the Knipex utility knife lineup based on published specs, owner feedback, and brand reliability.
Quick answer
The Knipex utility knife stands out for its robust build and secure blade locking, but it is not the lightest or most ergonomic option. The best overall pick is the Knipex 98 25 for general use, while the Knipex 98 20 offers a compact alternative for lighter tasks.
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Research updated June 2026.
Knipex 98 25 Utility Knife
Heavy-duty build with secure blade locking for reliable cutting.
| Model | Best For | Key Spec | Rating | Price |
|---|---|---|---|---|
| Knipex 98 25 | General heavy-duty cutting | 5.3 oz, internal blade storage | 4.5 / 5 | Check price |
| Knipex 98 20 | Compact / light tasks | 3.8 oz, no storage | 4.2 / 5 | Check price |
| Knipex 98 21 | Retractable blade safety | Auto-retract mechanism | 4.3 / 5 | Check price |
| Knipex 98 22 | Hook blade cutting | Hook blade design | 4.0 / 5 | Check price |
| Knipex 98 23 | Snap-off blade precision | Snap-off blade style | 4.1 / 5 | Check price |
Knipex 98 25 Utility Knife
Best OverallPros
- Very robust build quality
- Secure blade lock mechanism
- Internal blade storage
Cons
- Heavier than competitors
- Grip can feel bulky for small hands
The Knipex 98 25 is the flagship utility knife from the brand, designed for heavy-duty cutting tasks. It features a fiberglass-reinforced nylon body and a secure blade lock that prevents accidental closure during use. Owner reviews frequently praise its durability and the convenience of internal blade storage, which holds spare blades.
However, at 5.3 ounces, it is noticeably heavier than many plastic-handled knives from brands like Stanley or Milwaukee. Some users report that the grip shape is less ergonomic for prolonged use, particularly for those with smaller hands. It is best suited for users who prioritize build toughness over lightweight portability.
Knipex 98 20 Utility Knife
Best CompactPros
- Lightweight and compact
- Easy blade change
- Good for pocket carry
Cons
- No spare blade storage
- Less robust than 98 25
The Knipex 98 20 is a smaller, lighter version of the 98 25, designed for users who need a knife for lighter tasks or prefer a more portable tool. It uses the same trapezoid blades but omits internal storage to save weight and size. Owner reviews note it fits well in a pocket and is easy to handle for quick cuts.
Some users find the lack of blade storage inconvenient, and the build feels slightly less solid than the larger model. It is a good choice for electricians or DIYers who need a backup knife rather than a primary heavy-duty tool.
Knipex 98 21 Utility Knife
Best SafetyPros
- Auto-retract mechanism enhances safety
- Good build quality
- Easy blade change
Cons
- Auto-retract can be annoying for continuous cuts
- Heavier than some safety knives
The Knipex 98 21 is designed with an automatic retracting blade that pulls back when pressure is released, reducing the risk of accidental cuts. This makes it a strong candidate for job sites with strict safety requirements. Owner reviews highlight the reliable mechanism and the solid feel of the handle.
Some users find the auto-retract feature frustrating for tasks that require sustained cutting, as the blade retracts between each stroke. It is heavier than many plastic safety knives from brands like Stanley, but offers better durability.
Knipex 98 22 Utility Knife
Best for Hook BladePros
- Hook blade ideal for cutting carpet or linoleum
- Durable construction
- Good blade lock
Cons
- Limited to hook blade use
- Not as versatile as standard trapezoid models
The Knipex 98 22 is a specialized utility knife designed for hook blades, commonly used for cutting flooring materials like carpet or linoleum. It features the same robust nylon handle as other Knipex models and a secure blade lock. Owner reviews note it is effective for its intended purpose but lacks versatility.
Users who need a knife for general cutting tasks will find the hook blade less useful. It is a niche tool best suited for flooring professionals or DIYers working on specific projects.
Knipex 98 23 Utility Knife
Best for Snap-Off BladesPros
- Snap-off blade provides fresh edge quickly
- Internal blade storage
- Durable build
Cons
- Snap-off blades can break unpredictably
- Heavier than typical snap-off knives
The Knipex 98 23 uses snap-off blades, allowing users to break off the dull tip for a fresh cutting edge without changing the blade. It includes internal storage for spare blade segments. Owner reviews appreciate the convenience for precision cutting tasks like scoring drywall or plastic.
Some users note that snap-off blades can break at an angle if not snapped cleanly, and the knife is heavier than standard snap-off models from brands like Stanley. It is a good choice for users who prefer snap-off blades but want a more robust handle.
Who is the Knipex Utility Knife for?
The Knipex utility knife is designed for users who prioritize build quality and durability over lightweight convenience. It is well-suited for tradespeople who need a knife that can withstand heavy use on job sites, such as electricians, plumbers, or general contractors. The fiberglass-reinforced nylon handle offers better impact resistance than many plastic alternatives.
However, the heavier weight and bulkier grip may not appeal to users who prefer a slim, lightweight knife for everyday carry. It is also less ergonomic for prolonged cutting sessions compared to some competitors with softer grips or contoured handles.
Performance and Build Quality
Knipex utility knives use a secure blade locking mechanism that prevents the blade from folding or retracting during use, which is a key safety feature. The blade change process is tool-free on most models, requiring only a thumb push to release the old blade. Owner reviews consistently praise the solid feel and lack of play in the blade when locked.
The primary drawback is the weight. At over 5 ounces for the 98 25 model, it is heavier than many competitors like the Milwaukee Fastback (around 4 ounces) or Stanley 99 (around 3 ounces). Some users also report that the handle texture can be slippery when wet, though this varies by user feedback.
Alternatives to Consider
For users who prefer a lighter knife, the Milwaukee Fastback series offers a similar folding design at a lower weight and often a lower price point. The Stanley 99 is a classic lightweight option that is more affordable but less durable. For those who need a retractable blade with safety features, the OLFA 5000 series is a well-regarded alternative with a lighter build.
Knipex knives are generally more expensive than these alternatives, reflecting the brand's reputation for high-quality tools. However, the price difference may not be justified for users who do not need the extra durability.
What to Check Before Buying a Knipex Utility Knife
Consider the blade type you need. Knipex offers trapezoid, hook, and snap-off blade models, each suited for different tasks. Check the weight and grip size to ensure the knife fits your hand comfortably. Verify that the blade locking mechanism is secure and easy to operate with one hand. Look for internal blade storage if you need spare blades readily available. Finally, compare the price with alternatives from Stanley or Milwaukee to ensure you are getting value for the build quality.
Mistakes to Avoid
Do not assume all Knipex utility knives are the same; the 98 20 lacks blade storage, while the 98 25 includes it. Avoid using a hook blade knife for general cutting tasks, as it is less effective and can damage materials. Do not overlook the weight difference; a heavier knife can cause fatigue during extended use. Avoid buying a snap-off blade knife if you need a robust blade for heavy materials, as snap-off blades are more prone to breaking. Finally, do not ignore the lack of a belt clip on some models if you need hands-free carry.
FAQs
Are Knipex utility knives made in Germany?
Knipex tools are primarily manufactured in Germany, but some utility knife models may be produced in other facilities. Check the product packaging for country of origin details.
Can I use standard trapezoid blades in Knipex knives?
Yes, Knipex utility knives that use trapezoid blades accept standard blades from brands like Stanley or Milwaukee. The blade locking mechanism is designed for compatibility.
How do I change the blade on a Knipex 98 25?
Push the blade release button on the side of the handle to eject the old blade, then slide a new blade into the slot until it locks. The process is tool-free.
Is the Knipex 98 21 auto-retract safe for job sites?
Yes, the auto-retract mechanism is designed to meet safety standards for job sites. The blade retracts automatically when pressure is released, reducing cut risk.
Does Knipex offer a warranty on utility knives?
Knipex provides a limited lifetime warranty against manufacturing defects. This does not cover normal wear and tear or blade replacement.
Which Knipex utility knife is best for carpet cutting?
The Knipex 98 22 with a hook blade is specifically designed for cutting carpet and linoleum. It provides a clean cut without damaging the backing.
How much does a Knipex utility knife weigh?
Weight varies by model. The 98 25 weighs 5.3 ounces, the 98 20 weighs 3.8 ounces, and the 98 21 weighs 4.5 ounces. Check the specific model for exact weight.
Can I carry a Knipex utility knife in my pocket?
Yes, but the larger models like the 98 25 may be bulky for pocket carry. The 98 20 is more compact and suitable for pocket storage.
Is the Knipex 98 23 snap-off blade safe?
Yes, but snap-off blades can break unpredictably if not snapped cleanly. Always snap the blade over a hard surface and wear safety glasses.
Where can I buy Knipex utility knives?
Knipex utility knives are available from major online retailers like Amazon, as well as hardware stores and specialty tool suppliers. Check the links above for current pricing.
Our verdict
The Knipex utility knife lineup offers exceptional build quality and secure blade locking, but the heavier weight and higher price point may not suit all users. The best overall pick is the Knipex 98 25 for heavy-duty cutting, while the Knipex 98 20 is the best budget-friendly option for lighter tasks. For safety-focused users, the Knipex 98 21 with auto-retract is a reliable choice.