Ryobi TEK4 4-Volt Screwdriver;

The TEK4 4-Volt Lithium ion screwdriver features a 2-speed gear box and a 24-position clutch that adjusts the torque to match a variety of applications. The 1/4 in. quick-connect chuck works with all SpeedLoad+ accessories and helps you make quick, hassle-free bit changes. The forward and reverse switch is easy to reach during use, with handle overmold grip for added user comfort.