APPLICATIONS 
Precision manufacturing at its best , check diagram in images . One of the only few tools. Still manufactured in Germany completely. 
 Removing plaster and tilesChasing grooves and slots
Chiselling work
Cleaning up surfaces
Producing breaches and openingsPrecision repair work
 FEATURES
 Effective vibration damping (VRS)Pneumatic impact mechanism designed for optimum efficiency
Trigger lock, ensuring non-fatiguing work
 Electronic for constant impact rate controlImpact rate and impact force infinitely adjustable withpushbutton switch/adjusting dial
Chisel can be positioned in twenty waysMaintenance-free (with lifetime lubrication)Standard specification: 
DUSS PKX 4 breaker, D-handle, tube ofgrease, carrying case for machine and tools.
Technical Data
PKX 4 A breaker 
Rated power820W
Machine weight 5.4 
ChuckSDS-max
Single impact energy
  0 - 8.4 JImpact rate, adjustable0 - 3200 impacts/minChiselling performance in hard C45/55 concrete with pointed chiselapprox. 135 kg/hVibration data chiselling - normal setting7.3 m/