3/8" Aeropro Reversible Pistol Grip Drill - AP17101 To compact low profile applications Variable speed throttle for easy starts. Precision machined gearing ensures maximum power transfer and durability. Convenient one hand push button forward/reverse. Lightweight helps avoid fatigue during prolonged use. Quiet operation with rear exhaust, which directs air away from the workplace. Ball bearing construction. Recommended air pressure 90psi.