Makita HR3210C 1-1/4" Rotary Hammer with AVT, SDS, 3-mode, var. spd., reversible, caseMakita HR3210C 1-1/4" Rotary Hammer with AVT, SDS, 3-mode, var. spd., reversible, case Features:; Powerful 8.2 AMP motor; 1,650-3,300 BPM for demanding applications; Anti-Vibration Technology for increased end-user comfort; 3-mode operation: "rotation only", "hammering with rotation" and "hammering only" for multiple applications; Electronic variable speed control allows user to set the speed based on the application; One-touch sliding chuck allows for quick bit changes; Built-in Torque Limiter ensures stable torque control