Efficiently dig narrow holes for small plants, fence, sign, and mailbox post installations with the 46 in. Fiberglass Handle Post Hole Digger. This heavy-duty post hole digger was designed for real-world toughness, with heavy-duty carbon steel blades that feature a high-endurance, multi-step hammer-tone finish. Its dual blades with rounded edges allow you to easily cut into compacted dirt, soil, grass, clay, and more. Trust this high-utility tool to deliver when you need it as each blade is securely attached to the handle with dual carbon steel bolts for long-term performance and resilience. Reduce strain on the back and knees with the long-length fiberglass handles while the over-molded end-grips provide a comfortable 2-handed operation.