Replaces M8600M Sliding chuck provides tool-less chisel change by simply sliding down the chuck collar and installing the shank Lock on button locks the trigger switch into place for continuous chipping applications Durable designed steel designed barrel and crank housing provides increased strength while the ergonomic cover is covered with plastic for heat insulation Satisfactory Chipping performance. SPECIFICATIONS: Continuous rating input 900W Impacts Per Minute (IPM) 2,900 Impact Energy 7.2 J Sound Pressure Level 95 dB(A) Sound Power Level 106 dB(A) Dimensions (L x W x H) 406x99x232 mm (16″x3-7/8″x9-1/8″) Net weight 5.4 kg (12 lbs) Power supply cord 2.5 m (8.2 ft)