The Vibration reduction system is fully functional. This comes with a bit and travel cart! All of our used BOSCH tools are serviced and repaired using GENUINE BOSCH parts..The item "Bosch Brute Jackhammer Electric Jack Hammer Bosch 11304 Breaker" is in sale since Monday, July 22, 2019. This item is in the category "Business & Industrial\Light Equipment & Tools\Breakers & Demolition Hammers". The seller is "bosch_tough" and is located in Bristol, Connecticut. This item can be shipped to United States.