Makita HR2475X2 1-Inch Rotary Hammer (includes free GA4530 4-1/2-Inch Grinder) Powerful 7.0 AMP motor delivers 0-1,100 RPM & 0-4,500 BPM for the most demanding applications Torque limiting clutch engineered to prevent gear damage by automatically disengaging gears if the bit binds Sequential impact timing delivers timed hammering during rotation to minimize overlapping bit impacts resulting in up to 50% faster drilling Makita Motor Advantage engineered with field core interlocking steel laminations, dual ball bearing armature and more copper commutator bars, increasing energy transfer efficiency for more power and longer tool life Extended life brushes are longer for more work between service intervals and less downtime 40 bit angle settings allow the bit to be set at different positions for operating convenience 3-mode operation for ""Rotation Only"", ""Hammering with Rotation"" or ""Hammering Only"" for multiple applications Ergonomic D-shaped handle with rubberized soft grip for increased comfort and control One-touch sliding chuck for quick bit changes ""No hammering when idling"" function helps increase tool life Recessed lock-on button for continuous use Accepts SDS-PLUS bits (1) 4-1/2"" 6.0 AMP Angle Grinder (GA4530) HR4013C HR2621 HR2611F HR2811FX HR2475 HR4510C HR3210C HR2811F HR2470F HR4002 HR5210C HR4041C HR1830F HR4001C HR4010C HR2432 HR5000 Powerful 7-amp motor; 0 - 1,100 rpm and 0 - 4,500 bpm for demanding applications 3-mode operation: rotation only, hammering with rotation, or hammering only Ergonomic D-shaped handle with rubberized soft grip for increased comfort and control One-touch sliding chuck allows for quick bit changes Built-in torque limiter ensures stable torque control