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°) , 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.