We have Chicago Pneumatic CP789HR 1/2-Inch Super Duty Reversible Air Drill with Product Detail Teasing throttle for precise control Handle exhaust reduces noise and directs air away from operator and workplace Needle bearing gearing for improved durability Oil free operation Applications: heavy drilling, reaming, hole sawing and jobs requiring a lot of torque . The "Chicago Pneumatic CP789HR 1/2-Inch Super Duty Reversible Air Drill" is best product for you. We recommended Chicago Pneumatic CP789HR 1/2-Inch Super Duty Reversible Air Drill