This rock drill is used for drilling,splitting breaking,ramming,shovelling.And it's widely used in mining,road-contruction. Drilling Machine YN27CYN27C Gasoline Powered Rock Drilling Machine is available for drilling, road breaking & construction, mining, quarrying and national defense construction, etc. Product SpecificationsWeight27kgsOverall Dimension746x315x229mmEngine TypeSingle Cylinder, ...