... high quality,good looking, optional style&color An auger is a drilling device, or drill bit, ... hole being drilled.An auger used for digging post holes is called an earth auger, soil auger, or post hole digger ... . This kind of auger can be a manually ... ,60mm,80mm,100mm,150mm,200mm,250mm,300mm and so on. ground drill parts--earth auger rack