Aqua Lung Squeeze Lock dive knives are preferred by divers around the world. The patented Squeeze Lock design allows the diver to securely lock the knife in its sheath while offering a quick and easy release with a simple squeeze of the handle. The Big Squeeze knife has a 10.8cm (4 À) blade, is 24.2cm (9 À) long overall and can be easily mounted to integrated connection points on most Aqua Lung BCs.