makita HR2810 rotary hammer

28 mm (1-1/8″) 2.8 J Combination Hammer, SDS-PLUS Bits Torque Limiting Clutch Engineered to Prevent Gear Damage Powerful 800 W motor delivers 2.9 J (EPTA-Procedure 05/2009) of impact energy to handle the most demanding applications 3 operation modes – hammering, hammering with rotation, rotation "No hammering when idling" function helps increase tool life Sequential impact timing delivers timed hammering during rotation to minimize overlapping bit impacts for up to 50% faster drilling Torque limiting clutch engineered to prevent gear damage by automatically disengaging gears if the bit binds Ergonomic "D-shaped" handle with rubberized soft grip for increased comfort Recessed lock-on button for continuous operation Extended life brushes for more work between service intervals and less downtime 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 Depth gauge for increased drilling consistency Double insulated