Makita XOC01Z 18-Volt LXT Lithium-Ion Cordless Cut-Out, Bare Tool Makita-built motor delivers 30,000 RPM for fast cutting Weighs only 3.7 lbs. with battery (battery not included) for reduced operator fatigue Quick and easy "tool-less" depth adjustment On board bit change capabilities eliminates need for wrench Large and conveniently located shaft lock button for fast bit changes