Post Hole DiggerProduct Information A Post Hole Digger is a heavy duty tool designed for digging narrow, deep holes in the ground, typically for installing fence posts, signposts, or other vertical structures. Featuring two long handles with sharp, curved blades at the end, the digger allows for efficient digging by gripping and removing soil with each thrust into the ground. Its design offers maximum leverage and control, making it ideal for tough, compacted soil.