The BMF Tri-Edged Heavy Spear is a straight-up, no-nonsense piece of equipment. The 10" blade is cast 2Cr13 stainless steel with a gray titanium finish. The tube is impact resistant steel with a black oxide finish. This convenient, versatile spear breaks down into four pieces and stores in an easy-to-carry nylon bag. You can take it with you anywhere you need it!