A compact sports tool for scuba diving, snorkelling and water sports that focuses on safe, reliable cutting, SEAC K-Jack Tactical Dive Knife. That reassurance helps divers stay calm when lines tangle or small repairs are needed. Will the design meet everyday underwater demands and attach neatly to common kit?
⚡ At a Glance
- • Cutting Quality: Double-edge stainless steel blade combines smooth and serrated sections with a dedicated line-cutter notch
- • Best for: Scuba divers, snorkellers and water-sports users who need a simple, accessible safety knife
- • Not ideal for: Users seeking a folding pocket knife for everyday carry or non-waterproof multi-tools
Stainless steel blade with both smooth and serrated edges and an integrated line cutter. Blunt tip avoids accidental punctures and doubles as a screwdriver, and a universal attachment kit allows secure mounting to kit.
Safe line severing – with a built-in line cutter and serrated edge
A notch along the blade functions as a line cutter, while the blade pairs smooth and serrated sections to tackle both clean cuts and fibrous materials. Stainless steel construction keeps an even cutting surface for repeated use.
Quick snips on ropes and fishing line reduce time spent dealing with entanglements, helping divers regain control without fumbling with full blade deployment.
Accident prevention and light repairs – thanks to the blunt tip usable as a screwdriver
The tip is intentionally blunt to prevent puncturing a jacket or hose, yet shaped to engage screw heads for basic adjustments. The tip design balances safety with light utility tasks.
Avoids accidental damage to buoyancy aids while allowing simple on-the-spot fixes to kit or accessories without reaching for a separate tool.
Fast access and secure carry – with a universal attachment kit
A universal mounting kit is included to fasten the knife to straps, pockets or harnesses commonly found on diving equipment. The attachment method is designed for straightforward fitting to a range of setups.
Keeps the knife within easy reach on descent and ascent, so handling is predictable and retrieval time is minimised during an incident.
✨ The 4 Key Reasons for SEAC K-Jack Tactical Dive Knife
- Blunt tip screwdriver — Enables quick screw adjustments without risking gear puncture
- Universal attachment kit — Fits standard straps and harnesses for reliable mounting
- Double-edge design — Smooth edge for slicing and serrated edge for tougher fibres
- Integrated line cutter — Cuts braided lines safely without opening the main blade
📋 Technical Details at a Glance
- Category: Sports - Dive Knife
- Brand: SEAC
- Blade material: Stainless steel
- Edge type: Double-edge, smooth and serrated
- Tip type: Blunt tip with screwdriver capability
❓ Frequently Asked Questions
Q: Is the knife suitable for scuba diving and snorkelling?
A: Yes, the knife is designed specifically for scuba diving, snorkelling and water-sports use. The features target common underwater cutting and safety needs.
Q: Can it cut fishing lines and ropes?
A: Yes, a dedicated line-cutter notch combined with smooth and serrated blade sections handles both clean cuts and tougher fibrous lines.
Q: Can the tip be used as a screwdriver?
A: Yes, the blunt tip is designed to function as a screwdriver for light adjustments while reducing the risk of puncturing equipment.
🏆 Our Verdict
Suited to recreational and technical divers who need a simple, dependable cutter that mounts securely to kit. The combination of a stainless steel double-edge blade, line-cutter notch and blunt-tip screwdriver gives practical versatility on the surface and underwater. The straightforward, purpose-built design should deliver durable, long-term utility for regular water-sports use.
