The Hitachi WH10DFL Lithium-Ion Cordless 12-Volt Micro Impact Driver is a powerful, compact addition to the 12-volt peak Lithium-Ion series. At less than 6-inch long and just 2.2-pounds, this impact driver has the power to drive stubborn screws and bolts and can do so in tight quarters. With 840-inches per pound of torque, up to 2,500-RPM and 3,000-impacts per minute, there are few jobs the WH10DFL can't handle. This tool comes standard with (2) 1.5-amp-hour Lithium-Ion batteries for fade free power, less weight and 3-times the total battery life of traditional NiCad batteries. It comes with a built-in LED work light and a free standing battery design for sitting upright between uses. The LED job light illuminates dark work spaces. Its 1/4-inch quick-change chuck makes changing bits easy and its responsive, variable speed trigger provides complete control during operations. Lightweight design at 2.2-pounds reduces fatigue during extended use. The Hitachi WH10DFL Lithium-Ion Cordless 12-Volt Micro Impact Driver comes with a lifetime Lithium-Ion tool warranty and a 2-year Lithium-Ion battery warranty. Hitachi Power Tools provides professional-grade power tools for a variety of applications, including woodwork, metalwork, concrete, drilling, cutting and fastening. Hitachi is a leader in power tool research and development and has achieved many firsts in the power tool industry.