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SEAC Rapid Daga Safety Knife Review: Reliable dive knife for scuba and spearfishing

SEAC Unisex Rapid Daga Safety Knife for Diving and Underwater Fishing Stainless Steel 10 5 cm, Black, standard UK
4.8
[Designed for Diving]  Perfect for scuba, freediving and spearfishing with reliable underwater performance.
[Dual-Edged Blade]  10.5 cm stainless steel dagger blade with smooth edge and half-length serration.
[Compact 23.5 cm Size]  23.5 cm total length balances reach and control for underwater tasks.
[Noise-Making Handle Butt]  Steel butt produces noise against tank to attract attention in emergencies.
[Versatile Rigid Scabbard]  Rigid scabbard mounts both sides; belt slots and included arm/calf straps for secure carry.
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A diving safety tool designed for underwater use, delivering secure carry and quick access when depth matters. Greater confidence when cutting lines or signalling keeps divers calm and in control. Is the SEAC Rapid Daga Safety Knife the right addition to your kit for regular scuba or spearfishing?

⚡ At a Glance
  • Cutting Quality: 10.5 cm stainless-steel dagger blade with a smooth edge and half-length serration for versatile cutting
  • Best for: Scuba divers, freedivers and spearfishers who need a compact safety and cutting tool
  • Not ideal for: Users seeking multi-tool functionality beyond cutting and basic signalling

10.5 cm stainless-steel dagger blade, total length 23.5 cm, rigid scabbard with two straps. Small steel handle butt doubles as an attention signal and the release button sits close to the handle for fast access.


Versatile cutting – with a 10.5 cm dagger blade combining smooth and serrated edges

Smooth edge runs the full blade length for clean slices while the serrated section covers roughly half the blade for sawing fibrous materials. Stainless-steel construction keeps the edge sturdy in wet environments.

Handles rope, kelp and fishing line without switching tools, making underwater clearing tasks faster and more reliable.

Fast, snag-free deployment – thanks to a rigid scabbard and near-handle release button

Rigid scabbard locks the blade securely and allows ambidextrous hooking on either side; a release button close to the handle attachment enables quick draws. User feedback highlights smooth, snag-free deployment.

Quick access during busy dives reduces fumbling and helps resolve entanglements promptly when time and visibility are limited.

Signalling and multi-position carrying – with steel handle butt and adaptable scabbard

Small steel handle butt produces a sharp knock when struck against a tank, while the scabbard includes slots and two straps for belt, arm or calf attachment. Mounting on either side increases placement options.

Attract attention to a dive partner quickly and choose the most comfortable, secure carry position for each sortie.

✨ The 4 Key Reasons for SEAC Rapid Daga Safety Knife
  1. Stainless-steel blade – Durable construction keeps edge through repeated saltwater exposure
  2. Half-serrated edge – Smooth edge plus serration handles lines and fibrous material quickly
  3. Quick-release scabbard – Smooth deployment reduces snags when drawing the knife underwater
  4. Noise-making handle butt – Produce attention-grabbing knocks to signal dive partners effectively
📋 Technical Details at a Glance
  • Category: Diving Knife
  • Brand: SEAC
  • Blade length: 10.5 cm (dagger-style)
  • Total length: 23.5 cm (blade + handle)
  • Blade material: Stainless steel
❓ Frequently Asked Questions

Q: Is this knife suitable for scuba diving and spearfishing?

A: Yes, the description states the knife is ideal for scuba diving, free diving and spearfishing.

Q: How long is the blade and what is the overall length?

A: Blade length is 10.5 cm and the combined blade plus handle length is 23.5 cm.

Q: Can the scabbard be worn on the arm or attached to a belt?

A: Yes, the rigid scabbard hooks on both sides and can be fastened to a belt or mounted on the arm or calf using the two included straps.

🏆 Our Verdict

Suitable for divers and spearfishers who prioritise dependable cutting and quick access in wet conditions. The combination of a stainless-steel dagger blade with a half-serrated edge, a rigid multi-position scabbard and a signalling handle butt makes it a practical safety tool. Robust construction and straightforward mounting options deliver clear long-term value for regular underwater use.