Bosch GFA 18-H Professional FlexiClick SDS Attachment. Turns the FlexiClick drill driver into a SDS plus rotary hammer. A 'One-Click' interface ensures a tight fix to the machine at a glance. Compatible with GSR 18 V-FC2. Specifications: Rated Speed (18V) : 0-1, 700/min. Impact Rate at Rated Speed (18V) : 0-4, 800/bpm. Max. Impact Energy: 1 Joule. Size: 130 x 230 x 80mm. Weight: 0.8kg.