A post hole digger is a tool used to create holes in the ground for setting posts, such as those for fences or signs. It typically consists of two handles and a pair of blades that open and close to scoop out soil. This tool is essential for ensuring that posts are securely anchored in the ground. There are two main types of post hole diggers: manual and powered. Manual diggers require physical effort to operate, while powered diggers, often referred to as augers, use a motor to drill into the earth. Both types are effective for various soil conditions and project sizes.