Product detail Pneumatic Air Compressor Jack Hammer for Blasting    YO18 pneumatic rock drill are light and small types designed on the basis of less recoil and of safty.Pneumatic Air Compressor Jack Hammerare suitable to the secondary breaking work,the work of drilling down bedrock,etc.Such as to pave and break concrete foundation installing engendering to break other hard things. Advantages of Down the Hole Hammer Drill Rig  1. Powerful and reliable engine  2. Powerful feeding and rotating system  3. New drilling boom  4. High power drive motors  5. Safe and stable travelling system Photo of product