Hitachi DH50MB 2-Inch SDS Max Rotary Hammer New carbon brush wear indicator lamp to increase service life Easy to use mode selection lever changes from "rotation & hammer" to "neutral" for positioning the tool tip, to "hammer only" Increased drilling speed is nearly twice as fast as the DH40 series Vario-lock mechanism for adjusting chisel angles Soft-touch grip handle and vibration dampening system reduces operator fatigue