The ½" Air Drill is a traditionally pistol shaped drill. With a feather trigger for variable speed options and a number of different configurations, this drill is as versatile as it is efficient.; Multiple Configurations; The ½" Air Drill comes in multiple configurations, with both reversible and non-reversible models available, as well as keyed and keyless chuck options.; Reliable; With the durability of its aluminum housing, you can count on this tool to be reliable and work well time after time.