Each unique and featuring a true one of a kind look, these flint arrowheads are made from agate and are representative of the tools used as far back as pre-historic times. Featuring a waxy luster, these fully functional arrow heads come in amazing patterns and colors covering the full spectrum- there literally are no two exactly alike. With a Mohs Scale Hardness of 7, these arrow heads are each much stronger than either a steel file or knife blade. Measuring 3 inches long each, these arrowheads come in a 5-piece set. Length: 3 Inches Hardness: 7