Charles of Florida pairs a jet black obsidian arrowhead with his signature metal alloy, which holds the look and feel of 18k gold at a fraction of the price. Obsidian is a volcanic glass that is formed when molten lava cools at a rapid pace. No two arrowheads are exactly alike. Handmade in Mexico. Handcrafted for Uno Alla Volta, from the heart and hands of the artisan. Dimensions - 1.5'' long, adjustable.