The Black Diamond Post Hole Digger features a reinforced, fiberglass shaft for increased strength, resistance, and overall durability. Additionally, the fiberglass shaft is lightweight, making the digger easier to carry around the jobsite. The digger features two-piece riveted, high carbon steel blades designed to quickly perforate compacted material, and a 6-inch point spread perfect for digging multiple holes for fence posts, mailboxes, lamps, plants and more! The heavy-duty Hercules-style pattern also makes it easier to penetrate soil. This Black Diamond Post Hole Digger is tailor-made for demanding, arduous work and built to last!