Variable Speed, Constant Speed ControlSDS-PLUS ShankHammer & Rotation / Hammer Only / Rotation OnlyFeatures: NEW Anti-Vibration Technology (AVT) with dual counterweights and anti-vibration rear handle actively counteracts vibration of tool for greatly reduced transmission to operator Longer bit guide reduces bit wobbling for more efficient drilling Torque limiter stops bit rotation if bit jams for increased operator safety and enhanced tool protection 3 operating modes: rotation only / rotation + hammer / hammer only Constant speed control maintains constant speed under heavy load Variable speed trigger allows operator to adjust speed based on materials or application 16 angle bit positions enable chisels to be positioned at optimum angle of operation One-touch sliding chuck for easy bit installation and removal LED job light illuminates drilling position for maximum precision and operator safety Vibration absorbing side handle with ergonomic soft rubber grip for vibration absorption and comfortable operation Optional DX10 dust extraction system with HEPATM filter captures harmful silica dust at point of origin for virtually dust-free operation and reduced harm to workers Dust filter cleaning dial removes excess dust from filter, maintaining vacuum efficiency and performance Ideal for use in dust sensitive environments, e.g. hospitals, healthcare facilities, offices, facilities, institutions and more! Includes: Side Handle (126882-3) Depth Gauge (331886-4) Plastic Carrying Case (821825-7) Specifications: Bit Type: SDS-PLUS Maximum Capacities: Concrete (TCT): 1-3/16" (30 mm) Concrete (Core Bit): 3-1/8" (80 mm) Concrete (Diamond Core): 3-1/8" (80 mm) Wood: 1-1/4" (32 mm) Steel: 1/2" (13 mm) No Load Speed: 0 - 840 RPM Blows Per Minute: 0 - 4,500 BPM Impact Energy: 4.5 J (3.3 ft. lbs) AMPS (120V): 9 A Vibration Level: Concrete: 9.5 m/s² Metal: 5.5 m/s² Noise Level: 94 dB(A) Overall Length: 14-1/2" (369 mm) Net Weight: 9.7 lbs (4.4 kg) * All Pictures Shown Are For Illustration Purpose Only. Actual Product May Vary Due To Product Enhancement.