Bison offers a complete line of three point hitch mounted post hole diggers that are designed to meet a wide range of customer needs and applications. This Bison digger save time and eliminate hard work. They are very useful for fences installation, farmyard posts, vineyards, gardening tasks, etc. They make holes with depth and diameter desired in a fast and efficient manner. The drill tip prolong the use under normal soil conditions. For tough conditions, the optional "fish tail" tip provides more aggressiveness when digging. Tips and blades are replaceable and manufactured with High Carbon...