Features and Benefits:Powerful .5 HP (.38 kW) motorVariable speed throttleReversible motor models availableComposite, keyless chuck models availableIngersoll Rand 7803 Series 4 CFM 1/2" Keyless Chuck Heavy Duty Air Drill measuring 8.7" in length has auxiliary side handle for greater control. .5 hp Drill with free speed of 500 RPM has 1/4" air inlet and minimum hose of 3/8". Drill can easily perform with its ball bearings, roller bearings, variable speed throttle and finds application in drilling, honing, reaming as well as hole sawing.