Highest Impact Energy Rating (21 J) In-Class!! SDS-MAX ShankFeatures: Hammer & Rotation / Hammer Only Variable Speed, Constant Speed Control, Soft Start, Soft No-Load Low noise and vibration level for maximum operator comfort and safety Advanced Anti-Vibration Technology (AVTTM) system incorporates vibration absorbing housing, active dynamic vibration absorber and damper spring to actively counteract the vibration of the tool for greatly reduced transmission to the operator Incorporates both trigger and locking switches for ease of operation in intermittent drilling and prolonged demolition applications Torque limiter stops bit if bit jams for increased operator safety and tool protection Soft start feature gradually increases speed to eliminate start up shock No load motor suppression limits vibration and bit deflection when idling Variable speed dial allows operator to adjust speed based on materials or application 24 angle bit positions enable chisels to be positioned at the optimum angle of operation One-touch sliding chuck for easy bit installation and removal LED service light indicates appropriate time to change carbon brushes LED power light indicates active power supply Ergonomic soft rubber grip design for vibration absorption and comfortable operation Standard Equipment Includes: Bit Grease (194683-7) D-Style Side Handle (135283-4) Straight Side Handle (135629-4) Cleaning Cloth (443122-7) Depth Gauge (331955-1) Plastic Carrying Case (142296-8) Specifications: Bit Type SDS-MAX Maximum Capacities: Concrete (TCT) 2-1/16" (52 mm) Concrete (Core Bit) 6-5/16" (160 mm) No Load Speed 150 - 310 RPM Blows Per Minute 1,100 - 2,250 BPM Impact Energy 21 J (15.5 ft.lbs) AMPS (120V) 15.0 A Vibration Level 9.0 m/s² Noise Level 98 dB(A) Overall Length 23-1/2" (599 mm) Net Weight 26.2 lbs (11.9 kg) * All Pictures Shown Are For Illustration Purpose Only. Actual Product May Vary Due To Product Enhancement.