Ingersoll Rand 7802RA 3/8 Reversible Air Drill, 2,000 RPM, 0.5 HP Motor
Reversible motor with a quick reverse lever. Variable speed throttle for starting holes easily. Handles smoothly; a lightweight compact drill. Free speed: 2,000 RPM. Use this economical high quality 3/8 drill for all of your general purpose drilling, honing, reaming and hole sawing. With it's reversible 0.5 hp motor, you can also drive and remove screws - including backing out tight screws without a struggle.
The planetary gear reduction balances the load on bearings and gears for increased tool life.