The bosch gbh 4 32 dfr professional rotary hammer with sds plus is the fastest multi hammer in the 4kg class it has a wide range of applications in chiselling and drilling work and when working with a core cutter it drills up to 30 faster than other tools in its class bosch vibration control means low vibration levels and the aluminium gear box is extremely robust there is extremely fast changing between sds plus and keyless chuck for drilling in wood and metal and the compact design is pe