The Bosch GFA 18-E Professional FlexiClick Off-set Angle Attachment. With a compact design, width across corners of 11mm, enables precise use directly against edges and walls. It can be locked in 16 different positions (360 degree), without having to remove the adaptor from the cordless screwdriver. A 'One-Click' interface ensures a tight fix to the machine at a glance. Compatible with GSR 18 V-FC2. Specifications: Chuck Capacity (min./max.): 1.5/13mm. Corner Dimensions: 11mm. Size: 91 x 48 x 61mm. Weight: 0.4kg.