Milwaukee 5446-21 SDS-Max Demolition Hammer The product is easy to use The product is durable The product is manufactured in Czech Republic 8.8 ft/lbs Impact Energy  heavy duty crank piston mechanism delivers hard hitting performance 2 Speed Impact Mode  low reduces beats per minute (2,200 BPM) for light materials Constant Power Technology  maintains drilling speed and power when the tool is under load. D-Handle  provides optimal grip and control for chiseling applications AVS: Anti Vibration System  actively reduces user vibration and increases productivity Variable Position Chisel Stop  fixes the chisel in 12 different positions for various applications