View LargerMore Images JH40 Ideal for up holes up to 18 feet (5.5 m) deep and up to 2 inch (51 mm) diameter in hard rock. It is well-suited for blast holes, post holes, anchor holes and other utility, construction, industrial and excavation applications. View Model Specifications FeaturesEasy access adjustable 3 speed throttleReversible pawlsIntegral mufflerRifle bar rotation is simple and positive Click the button above to contact your local representative for more information, inclucing service, pricing and availabilty.Related ProductsJackhammer and Rockdrill Rods and BitsConstruction Tool Hoses