Aqua Lung Titanium Dive Knives - the Knife that Never Rusts
Titanium - almost a miracle metal. Feather-light, stronger than nearly every steel alloy, holds an edge forever, and simply doesn't rust. Yes, a titanium dive knife costs more than a steel one. On the other hand it'll never rust. Veteran spearos know the value of a titanium blade - you don't want rust in your food. Get a titanium dive knife and you'll never look back.