Knife quickly became essential in the practice of scuba diving because it is, above all, a safety tool. In a problem occur underwater, you can remove you from potentially dangerous situations such as tangling in a net or rope. To untangled yourself, you will count on your buddy but also on a good scuba diving knife!
History of the diving knife
At the beginning of underwater diving as a leisure activity, the knife was quickly adopted by the divers community as an ornament and a sign of recognition. Positioned at the height of the calf, the knife looked more like a big dagger than a small knife. With sword dimensions 500 grams of steel for a blade 30 cm long,the dagger symbolized the strength and the will of these new adventurers ready to brave the dangers of the aquatic world. However, this weapon had several weakness: its disproportionate size made it unpleasant to wear and its blade isn’t sharp at all. This massive ornament therefore gradually disappeared towards the end of the 1990s, replaced by a smaller, more manageable and especially much sharper weapon.
Choosing your diving knife
In underwater diving, one can distinguish the knife or dagger of the dagger which has a pointed double-edged blade. The knife has a single-edged blade with a part that can be saw-toothed.
The major criteria for choosing your diving knife
- Size: There are many sizes of knives on the market, everything will depend on your use and where you want to place it.
- Fastening system: The diving knife can be positioned in different locations such as on your dive stab, forearm or leg. The cases have also become much more reliable, with systems and fasteners specific to each model strap, clip, velcro.
- Material: The diving knives are for the most part made of stainless steel but require regular maintenance to keep it longer. There are also titanium blades lighter and completely stainless.
Other diving accessories
There are other high-performance cutting objects that can replace the diving knife in some cases: The “Eezycut”, a razor blade in a plastic holder that allows cutting medium-sized ropes up to 8mm, a pair of stainless steel scissors or even a pair of effective pincers for tackling big ropes.
Today, the diver has much better tools and easier ways to use if a situation demands it. It’s up to you to find yours.