
Dexter SG133-8EG Fillet Knife
- Length: 14 inches
- Size: 8 inches
- Material: Carbon Steel
- Pieces: 1
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
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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ASIN: B0853DX7VQModel: SG133-8EGCategory: Fillet Knives
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.
Pros and cons
- 8 inch blade suits mid-size to larger fish
- Carbon steel holds a sharp edge well
- Light at 4.8 ounces for extended use
- 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
| Brand | Dexter |
|---|---|
| Model | SG133-8EG |
| Dimensions & fit | |
| Length | 14 incheshigher than 84% of 45 fillet knives |
| Size | 8 incheshigher than 66% of 54 fillet knives |
| Item Weight | 0.3 poundslower than 60% of 46 fillet knives |
| Construction & materials | |
| Material | Carbon Steel |
| Color | White |
| Included components | |
| Pieces | 1 |
Closest rivals on specs
Kershaw Narrow Fillet Knife 7.5 in- Item Weight 0.3 vs 0.22 pounds (+36%)
- Length 14 vs 12.7 inches (+10%)
Kershaw 1243SHX Boning Knife with Spoon 7 in- Item Weight 0.3 vs 0.22 pounds (+36%)
- Size 8 vs 7 inches (+14%)
KastKing Fishing Fillet Knife- Item Weight 0.3 vs 0.4 pounds (-25%)
- Size 8 vs 7 inches (+14%)
Frequently asked questions
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.