AmPro A2439 Air Drill 3/8_ Straight with Posi-Lock ChuckThis In Line Drill is designed for low speed high torque applications such as drilling sanding and polishing Quick lock keyless chuck for easy replacement Level throttle for positive speed control Cushioned grip This In Line Drill is designed for low speed high torque applicatio ns such as drilling sanding and polishing Quick lock keyless ch uck for easy replacement Level throttle for positive speed control Cushioned grip