US
Dexter

Dexter SG133-8EG (24902) Fillet Knife

  • Fillet Knife
  • 1
  • Carbon Steel
  • White
4.6/ 5 on Amazon82Amazon ratings100+bought last month3.9ProductDome score
Medium confidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology
Best forYou fillet fish regularly and want a longer, flexible commercial-grade blade

A commercial-grade carbon steel fillet knife from an established cutlery brand, sized for regular use on mid-size to larger fish.

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ProductDome scorecard

How it ranks among the 74 fillet knifes we track

3.9/ 5ProductDome scoreMedium confidence
Owner satisfaction · 56% of scorecategory median 4.6★4.6

4.6★ across 82 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 292 ratings2.4

82 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score2.7

100+ bought on Amazon last month.

Data quality · 11% of score3.8

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 74 fillet knifes we track - how the scorecard works · full fillet knifes data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

The Dexter SG133-8EG is an 8-inch carbon steel fillet knife weighing 4.8 ounces, model number 24902 in Dexter's lineup. It's a single-blade knife built for filleting fish rather than a multi-piece knife set.

Dexter-Russell is a long-running commercial cutlery maker, and the SG133-8EG carries the high carbon steel construction the brand is known for in its fillet and boning knives, which takes a sharp edge and is meant to be maintained with routine honing. At 8 inches the blade suits mid-size to larger fish where a longer, flexible edge helps follow the bone line in one pass. The category listing calls it a sheath, but the title, model number and specs all describe the knife itself, not a sheath.

  • 8 inch carbon steel blade
  • 4.8 ounce weight
  • 14 inch overall length
  • Dexter model SG133-8EG (24902)

Who it's for

Anglers and anyone processing their own catch who wants a dedicated fillet blade rather than a folding or general-purpose knife. Less suited to someone who only cleans small panfish occasionally, where a shorter blade is easier to control.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out
  • 8 inch blade suits mid-size to larger fish
  • Carbon steel holds a sharp edge well
  • Light at 4.8 ounces for extended use
What to check first
  • Carbon steel needs drying and oiling to prevent rust
  • Longer blade is less nimble on small panfish

Performance notes

Carbon steel takes and holds a fine edge better than most stainless alternatives, which matters for a filleting task that depends on a clean, thin cut along the bone. The tradeoff is that carbon steel needs to be dried and lightly oiled after use to avoid rust, unlike a stainless blade.

Specifications

BrandDexter
ModelSG133-8EG (24902)
Dimensions & fit
Item Weight4.8 ounces
Length14 inches
Size8 inches
Construction & materials
MaterialCarbon Steel
ColorWhite
Included components
Pieces1

How it compares

This product against the closest alternatives we track in fillet knifes.

ProductAmazon ratingRatingsProductDome score
Dexter SG133-8EG (24902) Fillet KnifeThis product4.6 / 5823.9 / 5
HOSHANHO 7 inch Fillet KnifeHOSHANHO4.7 / 53,9004.5 / 5
BUBBA 1095705 Fillet KnifeBubba4.7 / 56,3004.4 / 5
KastKing Fishing Knives-3 Fillet KnifeKastKing4.6 / 52,7004.4 / 5
Rapala BPFNF6SH1 Fillet KnifeRapala4.7 / 52,3004.3 / 5
Frequently asked

Questions about the Dexter SG133-8EG (24902)

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

What is the blade length on the Dexter SG133-8EG?

8 inches, with an overall knife length of 14 inches including the handle.

Is this knife a sheath or a blade?

It's the fillet knife itself. The listing category name mentions sheath, but the title, model number and material specs all describe a carbon steel blade.

What kind of steel is it made from?

Carbon steel, which sharpens to a fine edge for filleting but requires drying and light oiling after use to prevent rust.