Ingersoll Rand 7803RAKC 1/2" Heavy-Duty Air Reversible Drill with Keyless Chuck - A powerful choice for drilling, honing, reaming, and hole sawing, this drill has extra advantages. The reversible motor lets you drive and remove screws too. Even the tightest screws back out with ease under the force of the 1/2 hp motor. • Quick reverse lever • Variable speed throttle • Heavy duty ball and needle bearing • More power and long tool life • Planetary gear reduction balances the load