The Bosch Professional FlexiClick System is a versatile system with easy-to-change attachments.The GFA 18-H turns the tool into a rotary hammer - the only 18V drill driver ready for effortless hammer drilling into concrete up to 10 mm.With a head length of only 136 mm and a max. hard torque of 64 Nm, you have a highly compact and powerful tool at hand. The powerful GSR 18V-90 FC Professional is part of the Bosch Professional FlexiClick System, which allows you to master all challenges on the construction site the eccentric attachment allows you to work close to edges and walls, while the angle attachment turns the screwdriver into an angle drill.These attachments can be locked into 16 different positions at a 360 angle without removing them from the machine.Attaching the unique hammer attachment GFA 18-H turns the machine into a full-fledged SDS plus hammer ready for effortless hammering in concrete up to 10 mm.With a head length of only 136 mm and a maximum hard torque of 64 Nm, you have a very compact and powerful machine in your handThe Bosch Professional FlexiClick System perfectly equipped for a professional job.It is perfect for all kinds of screw and drill applications in wood, metal and when combined with the GFA 18-H concrete, masonry and stone.It comes with a brushless motor, 2 gears, switchable KickBack Control, switchable precision clutch, electronic motor protection and is prepared for Bluetooth Connectivity.