The fastest multi hammer in the 4kg class key features wide range of applications in chiselling and drilling work and when working with a core cutter drills up to 30 faster 25 mm diameter than other tools in its class low vibration levels of only 10 ms for less tiring work due to bosch vibration control extremely robust due to aluminium gear housing extremely fast changing between sds plus and keyless chuck for drilling in wood and metal compact design for perfect handling whats included bosch g