UNMATCHED POWER TO WEIGHT RATIO - 13 AMPS 8.1 FT-LBS IMPACT ENERGY & 14.3 LBS - BEST PERFORMING ROTARY HAMMER IN ITS CLASS. ACTIVE VIBRATION CONTROL - VIBRATION REDUCTION IN THE HAMMER MECHANISM AND THE GRIP AREA PROVIDES MAXIMUM USER COMFORT FOR EXTENDED PERIODS OF WORK. ONE-HAND TOOL FREE SDS-MAX SYSTEM MAKES CHANGING BITS EASIER THAN EVER BEFORE WHILE MAXIMIZING JOBSITE PRODUCTIVITY. CONSTANT RESPONSE CIRCUITRY - MAINTAINS SPEED UNDER LOAD AND OVERLOAD PROTECTION. TURBOSUPTM/SUP POWER - DELIVERS 20 MORE POWER IN HAMMER ONLY MODE. VARIO-LOCK POSITIONING - ROTATES AND LOCKS CHISEL INTO 12 DIFFERENT POSITIONS. AUTO-MAX VARIABLE SPEED DIAL - ENSURES MAXIMUM SPEED EVERY TIME THE TOOL IS TURNED ON. SERVICE MINDER LIGHT - INDICATES WHEN PREVENTATIVE MAINTENANCE IS REQUIRED. PATENTED CORD TURRET - REDUCES CORD WEAR. P INCLUDES (1) 360° AUXILLIARY SIDE HANDLE WITH DEPTH STOP (1) CARRYING CASE/P