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Parallèle No. 121 fillet knife product image (primary)
Single-piece fillet knife shown full length, centered vertically; long narrow stainless blade with a light wooden handle attached by two visible metal rivets.

Opinel

Parallèle No. 121 Fillet Knife

CA$74.00CAD
In Stock

The Parallèle No. 121 Fillet Knife by Opinel is a specialized fillet knife featuring a polished 18 cm stainless steel blade with high corrosion resistance and a sharp cutting edge. It is designed for filleting and thinly slicing fish, offering precision through a varnished beech wood handle and a metal bolster for controlled handling. The blade has a slight upward curve and pointed tip, while the handle includes two visible rivets and a thumb notch for secure grip.

Material
Stainless steel blade and varnished beech wood handle
Category
Home & Garden > Kitchen & Dining > Kitchen Tools & Utensils > Kitchen Knives
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Specifications

Ultra-precise fillet knife with stainless steel blade and varnished beech wood handle for perfect fish preparation.

18 cm stainless steel blade with high corrosion resistance; varnished beech wood handle

Material
Stainless steel blade and varnished beech wood handle
Secondary
wood
Gender
unisex
Age Group
adult
Condition
new
Category
Home & Garden > Kitchen & Dining > Kitchen Tools & Utensils > Kitchen Knives

Additional Attributes

  • stainless steel blade
  • high corrosion resistance
  • varnished beech wood handle
  • 18 cm blade
  • ultra-precise
  • comfortable handle

Product Insights

The Opinel Parallèle No. 121 Fillet Knife (74 CAD, in stock) is a kitchen fillet knife whose core promise is a thin, flexible, corrosion-resistant stainless blade in a full-tang varnished-beech handle for controlled fish filleting. Its 18 cm X50CrMoV15 stainless blade at 56–57 HRC and 2 mm spine delivers fillet-grade flex from geometry rather than a soft temper, with a symmetric 50/50 double bevel near 30° for equal left/right use; the high-chromium steel resists rust from wet fish and washing, and the edge rolls rather than chips, honing back in a few passes on a rod. The full tang shifts weight to the handle, reducing fatigue and improving tip control, while the ergonomic guarded grip holds steady when wet, and the fine-pored sanded beech wipes clean of fish slime and blood. The main tradeoff is the 2 mm spine: it is thinner than typical fillet knives and performs best with a light guided hand, covering small panfish to 5-pound salmon in single-pass cuts while 15-pound-plus sides need two or three overlapping cuts; the varnished beech handle also requires hand washing and drying plus occasional food-safe wood oil. It matches the 7-inch full-flex fillet category default and descends from Opinel's 1890 Savoie pocket knives and Alpine billhook-and-sickle forge, with the brand making kitchen knives since 2006.

Verified claims

Flexibility
2 mm blade gives fillet-grade flex from thin geometry, not a soft temper
Steel
Stainless blade is X50CrMoV15 hardened to 56-57 HRC, with a varnished beech handle
Class position
The 18 cm (about 7.1-inch) blade matches the mainstream 7-inch full-flex fillet format that is the category default.
Grind
Symmetric 50/50 double bevel ground at about 30°, cutting the same in either hand
Corrosion resistance
High-chromium stainless blade resists rust from wet fish and washing
Edge retention
At 56–57 HRC the edge rolls rather than chips and touches back up in a few passes on a rod.
Spine thickness
2 mm spine, thinner than typical fillet knives, cuts best with a light guided hand
Construction
Full-tang blade pinned through a varnished beech handle with two rivets and a metal bolster for controlled handling.
Handle maintenance
Varnished beech handle: hand wash and dry, plus an occasional food-safe wood oil
Grip
Ergonomic handle with a guard reduces hand fatigue and keeps grip steady in wet work, though the smooth varnished beech is less tacky than a textured synthetic handle.
Handle cleanability
Fine-pored sanded beech wipes clean of fish slime instead of trapping it
Balance
Full tang shifts weight to the handle, reducing fatigue and improving tip control.
Design lineage
Descends from Opinel's 1890 Savoie pocket knives and an Alpine billhook-and-sickle forge.
Bevel angle
Kitchen knives are ground near 30°, more acute than the 30-40° of Opinel's pocket knives.
Fish size range
The 18 cm blade single-passes 1–2 kg fillets like snapper or salmon portions and stays controllable on smaller fish; 15-pound-plus sides require two or three overlapping cuts.
Brand heritage
Opinel has built edge tools since 1890 and kitchen knives since 2006
Blade steel alloy
The blade is X50CrMoV15 stainless steel (also listed as Z50CD14/1.4116), hardened to 56–57 HRC; it is a high-chromium martensitic steel, not Sandvik 12C27M.
Included accessories
The knife ships as a bare knife with no protective sheath or blade guard; plan to store it in a knife block, drawer guard, or separate edge protector.
Manufacturing method
The blade is stamped from a steel blank, not forged; the thin 2 mm flexible profile is characteristic of a stamped fillet blade.

Product record

Title
Parallèle No. 121 Fillet Knife
Brand
Opinel
Price
74 CAD
Availability
In stock

Buying Guide

1 comparison · 10 sources

Uses

Filleting fish with a slim, precise blade

A fillet knife made for working around fish, with an 18 cm stainless steel blade that is narrow and pointed for getting under skin and bones. Its ultra-precise blade is designed to thinly slice and lift fillets with ease. The wooden handle with a small metal guard keeps your grip separated from the blade while you work.[1,2,3]

Filleting fish and precise kitchen prep

An 18 cm fillet knife for working around fish and other kitchen prep that calls for a long, thin blade. The stainless steel blade is made to resist corrosion, and the comfortable handle is designed to give you control while cutting. As a fillet knife, it suits cooks who want a dedicated blade for delicate cutting tasks.[1,4]

Product comparison

Compared within this brand.

Why and when to choose each product
This product

Parallèle No. 121 Fillet Knife

Opinel

simons.ca

Same brand

Parallèle No. 123 Carpaccio Knife

Opinel

simons.ca

Same brand

Parallèle No. 122 Meat And Poultry Knife

Opinel

simons.ca

Parallèle No. 121 Fillet Knife: Choose this if you want a dedicated fish-fillet knife: it has an 18 cm stainless steel blade (X50CrMoV15, 56-57 HRC) with high corrosion resistance that, per the brand, thinly slices and lifts fillets with ease. Its varnished beech handle with a small metal guard is described as comfortable, and the line's design is characterized as timeless and uncluttered. Performance claims come from the manufacturer's copy rather than reported user experiences, and it is offered in a single size.[1,2,4,5]Parallèle No. 123 Carpaccio Knife: Choose this if you want a knife dedicated to cutting very thin, delicate slices of ham or salmon: its long, ultra-flexible blade is 30 cm and 1.5 mm thick, made of X50CrMoV15 stainless steel that is highly anti-corrosive, and paired with a varnished beech wood handle. The manufacturer states the blade cuts fine slices with a supple back-and-forth motion, though this is a stated capability rather than a reported user outcome. It comes in one size and is backed by a lifetime warranty, with the exact warranty scope not detailed in the available information.[6,7,8]Parallèle No. 122 Meat And Poultry Knife: Choose this if you need a sturdy knife for demanding prep work like removing nerves, bones, and fat from meat and poultry. Its short, rigid, twist-resistant stainless steel blade is 13 cm long and 2.5 mm thick with high corrosion resistance, and it pairs a varnished beech wood handle with a full-tang construction secured by two rivets. The brand describes it as the hero of demanding cuts, and it is offered in one size.[9,10]

Image Analysis

2 images
Parallèle No. 121 fillet knife product image (primary)
01

Product

Single-piece fillet knife shown full length, centered vertically; long narrow stainless blade with a light wooden handle attached by two visible metal rivets.

  • Blade geometryLong narrow straight blade with a slight upward curve at the tip and a single sharpened edge on the right side as shown; blade has a polished metallic finish.
    1 regionx 0.44 · y 0.02 · w 0.12 · h 0.68 (high)
  • Bolster and guardSmall squared metal bolster/guard where blade meets handle, visible as a short horizontal metallic shoulder above the handle.
    1 regionx 0.40 · y 0.58 · w 0.20 · h 0.06 (high)
  • Handle shapeStraight, rectangular wooden handle with gently rounded long edges and a short pronounced thumb notch at the top left of the handle.
    1 regionx 0.40 · y 0.60 · w 0.20 · h 0.36 (high)
  • Handle material and finishLight natural wood (beech-like) with smooth, matte finish and visible subtle grain.
    1 regionx 0.40 · y 0.60 · w 0.20 · h 0.36 (high)
  • RivetsTwo circular metallic rivets visible on the handle, aligned vertically toward the center of the handle.
    2 regionsx 0.49 · y 0.66 · w 0.03 · h 0.05 (high); x 0.49 · y 0.78 · w 0.03 · h 0.05 (high)
  • Printed marking on blade“Vertical printed word 'OPINEL' near the blade's lower half, oriented along the blade length.”
    1 regionx 0.47 · y 0.36 · w 0.06 · h 0.18 (high)
  • Additional small blade textDense small printed block of text beneath the 'OPINEL' marking that is too small to read legibly at this resolution.Partial
    1 regionx 0.47 · y 0.44 · w 0.06 · h 0.20 (medium)

Other

Product photographed on a plain light neutral background, centered and vertically oriented with soft even lighting and minimal shadow.

  • Shot compositionKnife is centered vertically in the frame with blade pointing up and handle at the bottom; image crops include entire knife with small margins.
  • BackgroundUniform light neutral background with very subtle vignette; no props or packaging visible.
  • Lighting and shadowSoft even lighting from front with faint diffuse shadow along the left side of the knife and minimal specular highlights on the blade.

Colors

stainless steel· blade#DDC2ABlight beech wood· handle#DCBCA4polished silver· rivets
Parallèle No. 121 fillet knife product image 2
02

Product

A straight fillet knife shown full-length within retail backing: a narrow stainless steel blade with a pointed tip and an exposed full wooden handle with two visible metal rivets and a small metal guard at the handle-blade junction.

  • Blade shapeLong narrow single-piece stainless steel blade with a gradual taper to a pointed tip and a straight cutting edge visible on the right side of the blade as shown.
    1 regionx 0.35 · y 0.08 · w 0.29 · h 0.54 (high)
  • Blade text and stamp“Vertical printed text on the blade near the handle reading 'OPINEL' and a small crown/hand mark; additional small vertical lines of text below are present but mostly small.”
    1 regionx 0.48 · y 0.42 · w 0.07 · h 0.20 (medium)
  • Handle materialExposed straight wooden handle with a light natural wood grain finish and two circular metal rivets aligned along the handle center.
    1 regionx 0.36 · y 0.62 · w 0.26 · h 0.32 (high)
  • Handle guardSmall flat metal guard mounted at the base of the handle projecting left and right, visible as a thin horizontal metallic piece.
    1 regionx 0.39 · y 0.87 · w 0.19 · h 0.05 (high)
  • RivetsTwo round metal rivets visible on the handle arranged vertically, one above the other.
    2 regionsx 0.44 · y 0.70 · w 0.03 · h 0.04 (high); x 0.44 · y 0.80 · w 0.03 · h 0.04 (high)

Packaging

Knife is mounted on a single-piece rectangular brown kraft cardboard backing with printed branding and product name in dark ink and a die-cut hanger hole at the top; the blade is visible through a clear plastic sleeve or window.

  • Backing cardTall narrow rectangular brown kraft cardboard backing filling most of the image height with the knife mounted on it.
    1 regionx 0.33 · y 0.01 · w 0.34 · h 0.98 (high)
  • Hanger holeDie-cut hanger slot near the top center of the backing with a circular reinforcement hole to the left of it.
    1 regionx 0.46 · y 0.03 · w 0.09 · h 0.05 (high)
  • Top branding text“OPINEL”
    1 regionx 0.41 · y 0.07 · w 0.18 · h 0.04 (high)
  • Top subtext“SAVOIE FRANCE”
    1 regionx 0.42 · y 0.11 · w 0.15 · h 0.03 (high)
  • Main product name“PARALLELE”
    1 regionx 0.37 · y 0.30 · w 0.26 · h 0.07 (high)
  • Model number text“Nº 121”
    1 regionx 0.38 · y 0.37 · w 0.22 · h 0.08 (high)
  • Descriptor text“COUTEAU EFFILÉ”
    1 regionx 0.38 · y 0.46 · w 0.22 · h 0.03 (high)
  • English descriptor“FILLET KNIFE”
    1 regionx 0.38 · y 0.49 · w 0.22 · h 0.03 (high)
  • Clear sleeve/windowBlade appears to sit within or over a clear plastic sleeve or window attached to the cardboard, making the blade surface visible against the cardboard.Partial
    1 regionx 0.35 · y 0.08 · w 0.29 · h 0.54 (medium)

Other

Studio product shot on a white background with even lighting and minimal shadows; image composed as a centered vertical crop showing the entire packaged knife.

  • BackgroundEven white studio background occupying the full image area outside the packaging card.
  • Shot compositionCentered vertical composition with the packaging aligned along the vertical centerline; top and bottom edges of the backing are visible with minimal surrounding margin.
  • Lighting and shadowSoft even lighting with faint shadowing around the edges of the backing card and a subtle reflection on the blade surface.

Colors

kraft brown· backing cardPackaging#AC8A65brushed steel· blade#CAC3C5light wood· handle#D3B38Cmetallic silver· metal guard and rivets

Brand PDP Lookup

Brand
Opinel
URL
https://www.opinel.com/en/kitchen-knives/parallele-wood-handle/n121-fillet-parallele

N°121 Fillet Parallèle

Documents & Data

Provenance

Merchant Link
https://www.simons.ca/en/kitchen-dining/kitchenware/kitchen-utensils-accessories/parallele-no-121-fillet-knife--21668-24305219?colourId=0
Updated