Auger bit suitable for the Ardisam Earthquake 2-stroke Post Hole Borer/ Auger, Ardisam Earthquake 6.5hp Post Hole Borer/ Auger, or the Ardisam Earthquake 4.5hp Honda Engine Post Hole Borer/ Auger, which has to be purchased separately. The diameter of this bit is 2 inches & the length is 36 inches. Weight approx. 6lbs. Features Blades: Cutting blades are replaceable if damaged or blunt.