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 10 inches & the length is 33 inches. Complete with shock absorber spring & fish tail. Weight approx. 10lbs.