GemShark Real Shark Tooth Necklace Great White Huge Megalodon, Sterling Silver Winding Pendant (1.4 inch- Length) Very Rare and Affordable 34.5-39.4 mm Real Shark Tooth Necklace in Perfect Quality Unique Pendant - Flawless Tooth Sterling Silver Wrapped with Stainless Steel Chain Valued Gift as Collectible, Birthday, Christmas, Fathers Mother's and Wedding Day gift Core is 4.5 mm, can be fit for your favorite necklace chain Other real shark tooth kinds and sizes can be found in my Amazon store