Standard Pack = 1 piece(s). Air Inlet Size = 1/4 NPT ; Average Air Consumption = 3.5 CFM ; Chuck Size = 3/8 IN ; Exhaust Type = Handle ; Features = Trigger mounted reverse for easy operation, triple planetary gears for durability, through handle exhaust ; Free Speed RPM = 1800 ; Spindle Thread = 3/8-24 IN ; Style = Reversible ; Type = Air Powered Drill ;