The SDS-Plus air rotary hammer drill is designed to be safer in explosive atmospheres and wet environments, making it well suited for oil and gas, petrochemical, utilities and underground mining applications. The Model 2 2404 0010 pneumatic rotary hammer is ATEX certified for Ex 2 GCT6, Zone 2 hazardous atmospheres. It has a 0.7-hp motor and operated at 90 psi using 21 cfm of air volume.