Impact wrenches are undoubtedly the handiest and most versatile power tools for driving a wide variety of fasteners during almost any construction project. They're compact, lightweight, and compared to a conventional cordless drill they can deliver an amazing amount of speed and power with better control. Look to Overstock.com for huge savings on all your handyman needs. Features include: 300 lbs. maximum torque 1650 rpm/2600 bpm Preferred rocker switch design Comfort grip Durable magnesium gear case All metal transmission Heavy duty impacting mechanism 1/2-in. square with detent pin retention Tool only. Battery, charger, and case sold separately.