Rapid Daga Underwater Knife

The SEAC Rapid Daga is designed for divers who need a compact, robust blade for underwater use and spearfishing. The 10.5 cm dagger-style blade includes both a smooth cutting edge and a serrated portion to suit varied tasks, from cutting through line to freeing catches. A compact 23.5 cm total length and a small steel handle butt aid in handling and signaling underwater, while the release button near the handle attachment facilitates quick action in demanding environments. This knife blends practical utility with a streamlined profile for active fishing or diving sessions.
Rapid Safety Knife for Divers

The Seac Rapid Safety Knife is a versatile underwater tool suitable for scuba diving, freediving, and spearfishing. The 4.13-inch stainless steel blade offers a smooth edge plus a half-length serrated section, paired with a resilient steel handle butt. Its design includes a proximity-to-handle release button for rapid deployment or stowage, and a compact overall size that makes it a reliable companion for fishing trips where line cutting and gear access are common needs.
Tajaman 95 Mm Diving Knife

The SEAC Tajaman is a lightweight, high-utility diving knife designed for spearfishing and general underwater work. With a 95 mm double-edged blade and a protective Teflon coating, it provides both clean cuts and serrated action where needed. The blade integrates a line cutter at the base for efficient line management while diving. The tempered stainless steel construction ensures durability in saltwater environments, making it a practical choice for UK water-fishing scenarios.
Vigo Knife By Cressi

The Cressi Vigo Knife is a marine-grade blade designed for reliability in saltwater environments. The stainless steel blade and one-hand locking sheath support quick access and secure storage when on a boat or shore-based fishing setup. Cressi’s long-standing reputation in marine equipment adds confidence for UK anglers who require a dependable knife for boat tasks, line management, and general cutting needs during fishing trips.
Whitby Pocket Knife For Outdoor Use

The Whitby Pocket Knife is a compact, folding stainless steel option ideal for fishing and outdoor tasks. The 1.75 inch blade provides quick, manageable cuts, with corrosion resistance and edge retention suitable for frequent use. Its lightweight design (about 50 g) makes it convenient to carry during long days on the water or hiking to fishing spots, while its pocket- or lanyard-friendly form supports easy access and portability.
Note: Availability and Styles Vary
Buying and using fishing knives involves considering blade type, material, size, and safety features. The five highlighted models cover a range of underwater and outdoor tasks—from divers needing a compact, dual-edge blade to hikers requiring a portable EDC knife. The following buying guide contrasts key aspects to help UK buyers choose the best knife for their fishing needs.
Buying Guide
- Blade material and corrosion resistance: Stainless steel blades stand up to saltwater but require maintenance after exposure. Coatings like Teflon can reduce corrosion and improve cutting performance.
- Blade shape and edge: Double-edged or single-edge blades suit different tasks. A serrated section is advantageous for rope or net cutting, while a smooth edge excels at precise cuts.
- Blade length: For diving knives, 90–105 mm is common, offering a balance of reach and control. For pocket/EDC knives, shorter blades improve portability and safety in public settings.
- Safety and retention: Look for secure sheaths, locking mechanisms, and accessible release buttons. Reversible fittings and robust straps help with quick access during water operations.
- Ergonomics and grip: Anti-slip handles are important when wearing gloves or wet hands. A compact handle butt or striking feature can aid signaling or light tapping on equipment.
- Portability: Folding knives or compact diving blades are ideal for anglers who travel to lakes, rivers, or coastal waters. Consider how the knife will be stored when not in use on a boat or bag.
- Maintenance: Rinse with fresh water after saltwater use and dry thoroughly. Regular inspection of the sheath, strap integrity, and blade condition extends life and safety.
| Product | ||
|---|---|---|
| Rapid Daga Underwater Knife | Diving Knife | 10.5 cm blade; smooth and serrated edges |
| Rapid Safety Knife | Diving Knife | 4.13 inch blade; quick-release button |
| Tajaman 95 Mm Diving Knife | Diving Knife | Double-edged blade; Teflon coating; line cutter |
| Cressi Vigo Knife | Diving/Marine Knife | Locking sheath; stainless steel blade |
| Whitby Pocket Knife | EDC Pocket Knife | 1.75″ blade; lightweight; corrosion resistant |