FlexiClick Attachment GFA 18-WM. The GFA 18-WM Professional offers maximum flexibility by transforming the FlexiClick drill driver into an angle drill with a metal chuck. Drilling and screwing applications can be performed precisely even in the tightest spaces. The attachment can be locked in 16 different positions at a 360° angle without needing to be removed from the tool. The GFA 18-WM is part of the 18V FlexiClick System, which includes a variety of easily interchangeable attachments. It is suitable for many different applications, making life easier for the tradesperson. The Bosch Professional FlexiClick System is perfectly equipped for professional tasks. The device is ideal for screwing and drilling applications in wood and metal, especially in confined spaces. It is compatible with the 18V FlexiClick drill driver GSR 18V-90 FC.