Sds max rotary demolition hammer with the following features variable speed with constant speed control variable lock mechanism 12 stages for chiselling auto stop carbon brushes two mode action rotary hammer drilling and hammer only multi position bit lock soft touch handles for user comfort input power 950 watt weight 65kg bit shank sds max full load speed 240 480min full load impact rate 1320 2650min impact energy 100 joules capacity concrete drill bit 40mm concrete core bit 105mm voltage 240