Bare-Tool Makita BHP451Z 18-Volt LXT Lithium-Ion Hammer Drill/Driver (Tool Only, No Battery) 3-speed design produces 25% faster working speed with more efficiency in a wider range of applications Shift Lock Driver System quickly shifts from "hammer drill" to "driver" mode with one touch Egonomic shape fits like a glove with even pressure and easy control Compact design at only 9-7/8" length and weighs only 4.9 lbs for less operator fatigue Two built-in L.E.D. lights for more illuminated work