Ground drill model :60í-25í-80,80í-25í-80,100í-25í-80ú¼150í-28í-130ú¼200í-38í-180,250í-48í-230,300í-60í-280 Drill bit type :twist drill ,auger drill,wedge-shape prismatic drill . Installation of the spiral blade :single spiral blade ,double spiral blade ,half-duplex spiral blade . Production Application: The products are mainly used for root crops planting hole, tree fertilization holes, fences scaffolding staking hole,optical cable marking stake, pile of road marking, mark holes of boundary marking, buried hole of geological survey and geophysical detector, fish on winter ice by drilling holes, etc. With the paper bag and the wooden box