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A ZWILLING 20 cm chef’s knife can handle many kitchen tasks: dicing vegetables, chopping herbs, slicing meat or portioning fish. The blade length provides plenty of working surface while remaining easy to control on most kitchen worktops. However, not every knife with a similar description offers the same performance characteristics.
Many ZWILLING kitchen knives feature FRIODUR. This refers to ice-hardening of the blade. It can help provide the stated corrosion resistance and edge retention. However, the blade will not remain equally sharp without care. The cutting surface, cleaning method and regular sharpening also affect how the knife performs.
The measurement normally refers to the blade length, not the overall length. A 20 cm chef’s knife may be around 32 to 34 cm long including the handle. If you have a small kitchen or a narrow knife block, you should therefore also check the overall dimensions and weight.
Some ranges are listed as dishwasher-safe. For several forged or ice-hardened models, however, hand washing is recommended or expressly required. Heat, cleaning products and contact with other cutlery can place greater strain on the edge and handle. If you want to preserve the blade as evenly as possible, clean the knife with warm water and a mild washing-up liquid, then dry it immediately.
A 20 cm blade is suitable as a versatile German-style chef’s knife for larger portions of vegetables, pieces of meat and herbs. Its slightly curved profile supports a rocking cutting motion. An 18 cm model, on the other hand, is often easier to manoeuvre and may be more comfortable for smaller hands or limited worktop space.
Wide blades, such as those found on Chinese chef’s knives, also make it easier to scoop up chopped ingredients. However, they are not automatically designed for chopping through bones, frozen food or hard objects.
The terms special-melt steel, corrosion-resistant stainless steel, FRIODUR and SIGMAFORGE should be considered separately:
An ergonomic knife handle should sit securely in your hand when dry and suit the way you hold a knife. Classic three-rivet plastic handles are found on several ZWILLING ranges. A seamless plastic handle can make cleaning easier. Also look for a finger guard, balanced weight distribution and enough space for your fingers between the handle and the blade.
Why this product suits this profile: This model handles typical kitchen tasks involving meat, fish, vegetables and herbs. The 20 cm blade and classic plastic handle are designed for straightforward everyday use.
The product details specify FRIODUR ice-hardening and recommend hand washing. This makes it easier to understand the care requirements before buying.
20 cm blade for versatile cutting tasks; FRIODUR blade and three-rivet plastic handle.
Why this product suits this profile: Ambitious home cooks get a seamless, rivet-free construction with a V-edge and horizontal full tang. This suits users who want to compare build quality and hygiene features in detail.
The product details expressly specify hand washing, storage in a knife block or on a magnetic strip, and regular sharpening. The care requirements are therefore transparent.
SIGMAFORGE one-piece construction; FRIODUR blade with a specified V-edge of 15 degrees per side.
Why this product suits this profile: This knife is aimed at users who frequently prepare raw meat, roasts, poultry or goulash. According to the product details, the wide blade is also suitable for chopping.
The product description clearly defines its limits: no bones, frozen food or hard objects. This helps prevent misuse of the meat knife.
Forged 20 cm stainless steel blade; ergonomic plastic handle with finger guard and three-rivet construction.
A ZWILLING 18 cm chef’s knife, such as the Pro le Blanc Chef’s Knife, is worth considering if you prefer compact dimensions or a lower overall weight. For larger quantities and broad ingredients, a 20 cm chef’s knife offers more blade surface. The ZWILLING Gourmet Chef’s Knife 20 cm also features a FRIODUR blade, a V-edge of around 30 degrees in total and a plastic handle.
For Asian-inspired preparation, the ZWILLING Gourmet Chinese Chef’s Knife at 18 cm or the Pollux Chinese Chef’s Knife at 18.5 cm may be suitable choices. The wider shape is ideal for cutting and scooping up ingredients, but it should not be confused with a cleaver.
We have put together a complete, regularly updated list of products that fully meet these strict selection criteria and the safety regulations applicable in the EU.
Yes, the 20 cm models mentioned are designed for regular tasks such as slicing, dicing and chopping herbs. The right choice depends on whether you need a versatile chef’s knife or a model geared more towards meat preparation.
It is not possible to give a reliable fixed lifespan. The cutting surface, frequency of use, cutting technique and care determine how long the edge remains effective. Regular, appropriate sharpening and hand washing can help preserve the cutting edge.
That depends on the model. Hand washing is recommended or required for several of the knives mentioned here. Before buying, check the specific care instructions both in the product description and for the individual model.