Native Treasure - Men's 18" Puka Shell Necklace with Shark Tooth Pendant - 5mm (3/16") Standard 18" Length. MORE Sizes in Our Store! 5mm (1/4") Class 'A' Quality Hand-Sorted Shells and Wood Coco Beads Real 3/4" Whitetip Shark Tooth Pendant (Shape may vary) Durable Stainless Steel Beading Wire with Strong Grip Nickel-Free Twist Lock Exclusive 60 Day Free Breakage Replacement 100% Satisfaction Guarantee