Product Description 1/2″ AIR DRILL Ergonomic design with soft rubber grip. Quick change keyless chuck. Heavy duty full caged gear system for increased tool life. Forward / reverse control. Adjustable auxiliary handle with rubber grip. Specifications Chuck Size: 1/2″ Free Speed: 700rpm Average Air Consumption: 184 L/min Length: 208mm Air inlet: 1/4″ Weight: 1.66kg