Deluxe Stinger Kill Springs™ - The original Senneker Stinger Kill Spring™, a deluxe quality spring built for strength and longevity, will not corrode. A very compact spring with excellent strength for coyote, wolf, fox, bobcat, lynx, wolverine, etc. May be used with the Alberta Powersnare Trigger to comprise a true powersnare, or may be used alone to comprise a sping assisted killing snare. Always use with the most aggressive locks available. Far superior to the low quality knock offs.