View Larger JRD50 Great for up holes up to 15 feet (4.6 m) deep and up to 2 inch (51 mm) diameter in medium to hard rock. It is particularly suitable for construction work, medium industrial maintenance work and for general utility work in quarries and mines. View Model Specifications FeaturesEasy access adjustable 3-speed throttleReversible pawlsIntegral muffler Click the button above to contact your local representative for more information, inclucing service, pricing and availabilty.