YN27C Rock Breaker Hammer Gasoline Rock Drill Drilling Machine Handheld Durable Description： This Gasoline Rock Drill is a High Efficient Drill Machine. It Adapt to Outside Situations Where There is No Water, No Electronic Power and No Air Compressor. It Can be used as a tool for Breaking, Percussive Drilling, Tamping Splitting or Ramming. Light Drilling tools, Only 27kg, Easy to Carry. Easy to Operate , Just Turn The Handle to Make It Work. Time and Labor Saving, Drilling Fast and High Efficiency. Used to Drill Vertical Downward Hole(Max Depth 6m) and and <45 Degree Upward Hole. Internal Combustion Rock Drill Use: The Internal Combustion Rock Drill Has The Functions of Splitting, Crushing, Tamping, Shoveling, Etc. for Mining, Cement Pavement, Asphalt Pavement, etc. It is Widely.