The Fein Slugger JMH1200 Hydraulic drill is designed for use underwater or anywhere a spark free environment is required. A permanent magnet and hydraulic motor eliminates the need for electrical components. The JMH1200 has been designed to operate at depths up to 450′. This drills tooling and parts are constructed of materials designed to resist corrosive environments. The drill can also be equipped with an electro-magnet if one is desired.