Best Divers' Knives & Shears of 2025

"I recently purchased this knife and I must say, it's a beautiful piece with excellent craftsmanship. I'm excited to put it to use in Fiji this summer."

"After using this knife for over a year on numerous dives, I can confidently say the stainless steel blade resists rust and is strong for various tasks. However, I did notice some rust spots at the base of the blade and it requires regular sharpening. I nearly lost it once but managed to find it. Overall, it's a great knife performance-wise, although the holster could use improvement."

"So far, I've taken this knife on one dive and it felt comfortable in my hand. It's easy to take out and re-sheath. I never dive without a knife due to past experiences with fishing lines and nets. The blade is really sharp, so be cautious! I’m washing my gear properly and hope it lasts for several years. Overall, it's definitely worth the money based on how it feels and its solid construction."

"In over 40 years of diving, I've rarely needed a knife. Dive knives often lack sharpness, which is why I prefer EMT scissors in my BC pocket for cutting line. This dive knife/scissor combo is exactly what I've been looking for. The case design allows easy installation on my BC, and while it's larger than expected, it's not cumbersome. Definitely a superior choice compared to just a dive knife!"

"I recently started scuba diving and haven't used this underwater yet, but I did test it on land. The knife is sharp and the shears function well. The sheath is solid and keeps the knife securely in place. Although I hope not to need it while diving, I feel more secure knowing it's with me."

"These tools are fantastic! I love having one item instead of multiple when I dive. They actually have an edge, which is impressive since most dive knives are dull. They're perfect for cutting ropes underwater. After using them on a clean-up dive, they're now on my must-have tool list!"

"I got this knife around Black Friday and was really excited to use it for diving. While I was opening some packages, I accidentally sliced my finger. I had three stitches, but it's a pretty nice small blade for the price! It would be nice if it came with a strap though."

"I purchased this knife as a backup for my buoyancy compensator, but I was disappointed. Despite rinsing it immediately after diving, it rusted and pitted right away. I expected better quality at this price."

"As a professional diver, I've used this knife on two dives. It's very compact and fits on my arm without snagging on objects. The blade quality seems good, but I’ll need to see how it holds up against rust with proper care."

“I love this knife! It's lightweight and sharp, and I use it all the time in the lake!”

“After losing several expensive dive knives, I decided to try this one. It's reliable and does the job without breaking the bank. I have many of these types of knives now.”

“I ordered this as a backup, but it arrived rusted and looked previously used. The mechanism is difficult to operate with one hand, which makes it frustrating in urgent situations. The straps kept loosening, and one even came off while I was in the water. Not worth the hassle.”

"I bought this knife for a recent trip to Maui, and it didn't disappoint! As a certified scuba diver, I never go into the water without a knife. For our family snorkeling vacations, my usual dive knife is too large, so I chose this smaller, discreet knife. It was the perfect size—small yet easy to grip and razor sharp. The sheath is solid, and the belt clip was a deciding factor for my purchase. Cressi has been in the dive business for years, and they nailed it with this knife!"

"After four years of regular use during kayak fishing, I can confidently say this knife has performed better than expected. I was worried about rust, but it remains in great condition. Maintenance is key, and with light scrubbing and oil, it cleans up well after exposure to saltwater. Initially, I thought the plastic components might be brittle, but they have held up nicely. I'm very satisfied with this knife and will definitely buy it again!"

"I purchased this knife for snorkeling, and while it looked nice, I found it very difficult to get out of the sleeve. I intended to use it as a safety tool for sailors who might need to cut a line in an emergency."

"At first, I was a bit disappointed by the knife rattling in the sheath, but surprisingly it stays put quite well. It's a good weight and performs well for spearfishing, even handling tougher fish parts. My only concern is that the rattle could spook fish while diving."

"I decided to give this knife a try because of its affordable price. To my surprise, it’s sturdy and wicked sharp. The straps fit around my legs perfectly, even for my size. I’ve tested the sheath by shaking it, and the knife never came loose. If you want a practical dive knife without spending a fortune, this is the one for you."

"I received my knife recently and it feels good in hand with a nice weight. However, I'm a bit concerned about the bulky sheath; it might be better to strap it to my calf rather than my arm. For the price, it seems like a decent purchase."

“I think it's a perfect small knife that mounts securely to my BCD hose. It's easy to access, and while the blade is sharp enough, I’m not sure I would want it any sharper given where it’s located. I would definitely purchase it again, though I’m a bit uncertain about the durability of the sheath since I've only used it once.”

“This knife is the best buy in my entire diving kit! It fits nicely on my LP inflator hose and looks neat. The tip isn't dangerous, and it cuts well through mesh and lines. I absolutely love it!”

“I needed a good backup knife to attach to my LP inflator hose, and while I can’t give it 5 stars because one of the nubs holding it in the holster broke on my first dive, I managed to adapt by putting it in backwards. Thankfully, my buddy helped me out, or I might have lost it.”

"I truly appreciate the good quality of this knife. The sheath securely holds the blade, and it comes with straps that are easy to attach."

"As an avid snorkeler and kayaker, I find this knife to be heavy-duty and well-designed. The safety release on the holster is fantastic. However, I had to replace the straps since they were a bit uncomfortable as designed."

"For the price I paid, I'm really satisfied! The knife arrived with a sharp edge and the grip is excellent. The only downside was the confusing sheath straps, but overall, I would still recommend this item."

“I was in search of a small dive knife, and for the price, it’s absolutely perfect. I can’t wait to test it in the water!”

“This knife serves as my self-defense tool. I’ve only shaved a bit of hair to check its sharpness. I believe the best way to maintain it is to not use it.”

“I appreciate having both elastic and regular straps to choose from. The knife is very secure in the clip-in sheath, which feels sturdier for my peace of mind.”

"I needed a knife for an advanced SCUBA class, and while I was initially worried about the point on the end, this knife has everything I need to cut in emergencies. It's sturdy, and I really like it. I would definitely recommend it for beginners."

"While I found it a bit cumbersome to put on, the knife seems to be of high quality and is incredibly sharp! I appreciate how easy it is to remove and re-sheath."

"I love the color and feel that it’s secure in its sheath. I would definitely recommend this product!"