Chicago Pneumatic Rock Drills are the ideal tools for all your drilling operations. Their streamlined design incorporates smooth contours, a side exhaust and a "flat back" that makes them easy to handle in quarry, mine and general excavating work. The design also provides a main valve and cylinder-porting concept that helps maintain constant drilling speed throughout a long service life. Working parts are constantly protected with an effective lubrication system. Features - Forged steel housings withstands rugged use. - Cushioned piston reduces shock. - Multi position throttle for easy starting of holes. - Blower level for deep hole cleaning, except CP-0022. - Integral oiler provides continuous lubrication. - Air inlet swivel improves maneuverability.