The Apple Coral Handle Material, Large (IS257) is an authentic piece of apple coral. Made from a sponge coral, Melithaea ochracea, the material is hard, durable, and a washed-out red coral — a perfect choice for knife handles. While not all types of coral are readily available these days, sponge corals provide unique, elegant designs for the handles of your handcrafted knives. The handle material measures 3/16 in. x 1-3/8 in. x 4-3/4 in. Order quality knife making supplies for all your needs from start to finish. Jantz has been supplying professionals and hobbyists for over fifty years.