Stainless Steel Scuba Diving Knife with Leg Strap Sheath, Ergonomic Tactical Dive Knife 9 x 1.6&rdquo; for Snorkeling Survival Spearfishing with Double Edge Sharp Blade and Lock Release Button - Dry this tactical spear as soon as possible when you get out of the water. Rinse it with fresh water after every dive, dry it, then give a quick spray of oil to keep it shiny. You can use any kind of oil even just a cheap cooking oil. If you do the maintenance regularly, no more spot of rust even after a few years. #1     - If you are into scuba diving, snorkeling or water sports, this ankle knife helps you to cut through fishes, ropes, or nettings for survival during emergency. Its 9 blade with a 0.16 thickness is big enough to hold with a glove on. - Our titanium dive knife is made of sturdy stainless steel with high tensile strength. It's featured with a hard knife sheath for safety, secure lock, and easy-release button so you can reach the scuba knife easily while diving. - Our survival spear comes with sleek design and lightweight property make it highly practical for under water activity. Its contoured handle also ensures effortless operation underwater. Ergonomic design for your safety and convenience. - No reason to buy an expensive spear knife when you can have all the benefit through this affordable, yet high quality divers knives. Comes with extra longer knife leg strap to fit perfectly around your calf.