Longer necklaces=larger teeth, smaller necklaces=smaller teeth--unless you message us in the chat with your order number requesting something different! Stainless steel lobster clasps, crimps and jump rings and very tightly tied wire wrapping. Waterproof and durable Choose your favorite chord color and wire color on these stylish Tiger Shark fossils! Tiger Shark teeth are more rare than Bulls, Lemons and Sand Tigers but are not as rare as Snaggleteeth or Megalodons.  Their asymmetrical shape was designed for sawing through turtle shells, a part of their natural diet.  Please message us on the live chat if your chord length is not available and any length can easily be made available. 10% of net profits are donated to two shark conservation non-profits, Saving the Blue and Fins Attached.  5+ million year old, authentic shark teeth are personally and ethically found scuba diving throughout Florida.