The Problue KN-55 Stainless Steel B.C Knife is a dive knife from Problue – stainless steel, sharp, and built to cut through fishing line, kelp, or anything else that might tangle you underwater. A safety essential for every diver at Redang’s shallow reef flats.
Technical Specifications
| Specification | Details |
| Brand | Problue |
| Product | KN-55 Stainless Steel B.C Knife |
| Material | Stainless steel |
| Blade | Sharp tip |
| Sheath | Included |
| Mount | Leg / Calf mount |
| Best For | Line cutting / Emergency |
Key Features
- Sharp cutting edge: Slices through fishing line, kelp, and entanglements fast.
- Stainless steel blade: Corrosion resistant and holds its edge in salt water.
- Secure sheath: Included – keeps the blade safe and you safe.
- Leg-mount ready: Straps to your calf for easy access on every dive.
Suited for Malaysian Dive Sites
The Problue KN-55 Stainless Steel B.C Knife is built to perform across Malaysia’s best underwater destinations. Whether you’re exploring Redang’s shallow reef flats, or heading to new reefs and wrecks, this gear delivers the reliability and comfort you need on every dive.
Care & Maintenance
- Rinse after every dive – salt corrodes stainless steel.
- Oil the blade lightly with a food-safe oil if storing for a while.
- Keep it in the sheath when not in use – protects both you and the blade.
- Sharpen when it starts to dull.
Final Verdict
A dive knife is safety gear, not a tool. The Problue KN-55 Stainless Steel B.C Knife does its job – cuts what needs cutting, fast and reliably.




Alex Ng –
Compared to other knives I own, I find the Problue KN-55 to be very well-made. No sharp edges.
Sarah Wong –
The design of the KN-55 Stainless Steel B.C Knife is quite sleek. I love the options for colors.
Helen Quek –
Would it be possible to purchase additional spare blades for the KN-55, or are they non-replaceable?
Junhao Lo –
Hello Helen, thank you for your question! Yes, we do offer spare blades for the Problue KN-55 Stainless Steel B.C Knife. You can contact our customer service team, who will be happy to assist you with the purchase. Please note that spare blades are sold separately and the pricing may vary depending on the product line and color. Thank you for choosing Problue, and we look forward to serving you better! Our team is available 24/7 for your convenience.
Emily Chan –
What other knives from Problue are made with the same 420 J2 stainless steel material as the KN-55?
Imran Hanafiah –
Thank you for your review of our Problue KN-55 Stainless Steel B.C Knife, Emily. We’re glad you liked it! According to our product information, the KN-28 is also made with 420 J2 stainless steel. Please note that product lineups may be subject to change, so we recommend checking our website for the latest information. If you have any other questions or need further assistance, feel free to ask. We appreciate your feedback.
Rachel Lee –
Was going to give 5 stars but I actually found a small area on the knife where it is not perfectly sharp. Not a major issue but still, minor negative comment.
Henry Liang –
The handling and ergonomic design of the Problue KN-55 make it perfect for outdoor activities.