The Cressi Kai Knife is designed for divers who want a professional multipurpose underwater cutting tool with strong marine-grade construction and practical utility features. As the full-size 23 cm version of the Kai, it offers more blade length than the Kai Mini while retaining the same streamlined stainless-steel design and corrosion-resistant finish.
Overview
The Cressi Kai Knife is an Italian-made professional diver’s knife built for scuba diving, spearfishing and marine utility use. Its blade and handle are made from martensitic stainless steel with HRC 55/56 hardness, giving the knife a sharp, honed cutting edge suitable for underwater tasks.
The Idroglider Gold Black surface treatment helps increase resistance to corrosion in marine environments. This makes the Kai a practical choice for saltwater use when properly rinsed and maintained after diving.
The full-size Kai features a V-shaped blade profile and includes several useful functions for divers. It has a line cutter for underwater safety and gear utility, a bottle opener for topside convenience, and a leash loop for securing the knife to a dive setup.
The knife is supplied with a 1000D ballistic nylon sheath. The sheath includes a robust thermoplastic D-ring for carabiner attachment and rear loops for belt attachment, giving divers flexible mounting options for scuba diving, spearfishing and general water-sport use.
This product is a dive knife only and should be used responsibly according to local regulations and safe diving practices.
Specifications
- Brand: Cressi
- Product Type: Diver’s knife
- Model: Kai Knife
- Style: Full-size multipurpose underwater knife
- Blade / Handle Material: Martensitic stainless steel
- Hardness: HRC 55/56
- Surface Treatment: Idroglider Gold Black
- Blade Profile: V-shaped cross-section
- Functions: Line cutter, bottle opener and leash loop
- Sheath: 1000D ballistic nylon sheath
- Sheath Attachment: Thermoplastic D-ring and rear belt loops
- Blade Length: 10 cm / 3.9 inch
- Total Length: 23 cm / 9 inch
- Blade Width: 30 mm / 1.2 inch
- Blade Thickness: 4 mm / 0.15 inch
- Knife-Only Weight: 140 g / 0.3 lb
- Weight With Sheath: 180 g / 0.39 lb
- Colour: Black / Black
- Use: Scuba diving, spearfishing, underwater utility and marine cutting tasks
- Fit: Sheath-mounted knife system
Features
- Full-size 23 cm version of the Cressi Kai multipurpose diver’s knife.
- Italian-made design built for professional underwater use.
- Blade and handle are made from martensitic stainless steel.
- HRC 55/56 hardness supports a sharp, honed cutting edge.
- Idroglider Gold Black treatment helps increase corrosion resistance.
- V-shaped blade cross-section supports practical underwater cutting use.
- Integrated line cutter adds safety and utility for dive situations.
- Built-in bottle opener adds useful topside functionality.
- Leash loop allows the knife to be secured to suitable dive gear.
- 1000D ballistic nylon sheath provides secure carry and flexible attachment options.
Frequently Asked Questions
Is the Cressi Kai Knife the same as the Kai Mini?
No. The Cressi Kai Knife is the full-size 23 cm version, while the Kai Mini is the smaller 11 cm compact version.
What material is the Cressi Kai Knife made from?
The blade and handle are made from martensitic stainless steel with HRC 55/56 hardness.
Does the Cressi Kai Knife have a line cutter?
Yes. The Kai Knife includes a line cutter, bottle opener and leash loop.
Does the Kai Knife include a sheath?
Yes. It comes with a 1000D ballistic nylon sheath with a thermoplastic D-ring and rear belt loops for attachment.
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