Discover Roselli's handmade Finnish Fish and Fillet knives

Complete Guide to Roselli Fillet Knives

Filleting fish is an art that requires both skill and the right tools. Whether you’re a passionate home cook or an experienced angler looking to refine the day’s catch, a Roselli fillet knife is one of the most important tools you can own. A great handmade fillet knife makes all the difference – giving you thin, clean cuts, following the natural lines of the fish, and minimizing waste.

What makes a fillet knife special

Unlike standard kitchen knives, fillet knives feature a slim, flexible blade that allows you to work close to bones, skin, and delicate muscle fibers. The narrow profile lets you maneuver with precision and create smooth, even fillets, especially important when working with fish, where every gram of meat counts. Thanks to Finnish craftsmanship and premium materials, Roselli fillet knives deliver the balance of control and durability that anglers and cooks rely on.

Beyond fish

While Roselli fillet knives are designed with fishing in mind, their precision and flexibility make them incredibly versatile in the kitchen and outdoors. Many chefs and outdoor enthusiasts consider them the best fillet knives for more than just fish, reaching for them when they need:

  • Deboning meat and poultry, the narrow blade follows bones and joints with minimal waste.
  • Skinning and trimming, ideal for removing fat, sinew, or skin from meat.
  • Slicing thin cuts, perfect for carpaccio, smoked salmon, or delicately slicing citrus and melon.
  • Handling bread and vegetables, the long blade makes clean, sweeping cuts without crushing softer foods.

This versatility makes a Roselli fillet knife not only the best choice for fishing, but also a trusted all-rounder for anyone who values precision in their cooking.

Roselli fillet knives in two sizes

At Roselli, we offer two handmade fillet knives: the Roselli Big Fillet Knife and the Roselli Small Fillet Knife. Both are crafted in Finland with the same attention to detail and natural materials, designed to hold an edge and last a lifetime. Each knife is built for a different purpose.

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Big fillet knife for larger fish

With a 19 cm premium carbon steel blade, the Roselli Big Fillet Knife is built for bigger catches like salmon, pike, or zander in the 2–3 kg range. The length gives you both reach and strength, making it perfect for long, sweeping cuts that follow the lines of larger fillets without interruption.

  • Blade length: 19 cm
  • Steel: Premium carbon steel, razor-sharp and long-lasting
  • Handle: Stained curly birch, linseed oil treated for a secure grip, even when wet
  • Sheath: Handmade from dark, vegetable-tanned Finnish leather

For anglers looking for the best fillet knife for salmon or pike, the Big Fillet Knife offers unmatched performance. Pair it with Roselli’s Fish Fork and its smaller sibling, the Small Fillet Knife, for the ultimate setup.

Small fillet knife for smaller fish

Compact and precise, the Roselli Small Fillet Knife is crafted with a 12 cm blade made from Roselli’s Ultra High Carbon (UHC) steel. Known for its extreme sharpness and edge retention, UHC steel ensures this knife excels at delicate tasks, from trout and perch to other smaller fish where finesse matters most.

One detail anglers love: it floats. That makes it an invaluable companion by lakes and rivers, where gear is often at risk of slipping away.

  • Blade length: 12 cm
  • Steel: Ultra High Carbon steel, exceptional sharpness and durability
  • Handle: Stained curly birch, linseed oil treated for a natural grip
  • Sheath: Handmade from dark, vegetable-tanned Finnish leather
  • Extra: Floats in water

For those looking for the best compact fillet knife for fishing trips, the Small Fillet Knife is a reliable choice.

Roselli fish fork as the perfect companion

To get the very best out of your fillet knives, pair them with the Roselli Fish Fork, also known as the Fillet Fork. Specially designed to hold fillets firmly on the cutting board, it makes skinning and filleting safer, steadier, and more precise. By anchoring the fish in place, it frees your knife hand for clean, controlled movements every time.

  • Material: Premium carbon steel fork with a stained curly birch handle, oil treated for good grip
  • Function: Holds fillets steady for safer, more precise cuts
  • Sheath: Handmade from vegetable-tanned Finnish leather

Together with either fillet knife, the Roselli Fish Fork creates a complete set that elevates the filleting experience – from routine prep to the proud presentation of your catch.

Choosing the right fillet knife setup

If you’re regularly working with larger fish like salmon or pike, the Roselli Big Fillet Knife paired with the Roselli Fish Fork is your best choice. For smaller species, or when you need maximum control, the Roselli Small Fillet Knife and Fish Fork are the perfect match.

Many of our customers find the ideal solution is to own both knives, one for heavy-duty filleting, one for delicate detail, and to complete the set with the Fish Fork for added safety and precision. That way, you’ll always have the right tool at hand, no matter the catch.

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