FlexiClick Attachment GFA 18-M, Bosch FlexiClick System: flexible and versatile for all tasks in the 18-volt class. Full flexibility: With numerous adjustable attachments, Bosch's FlexiClick system is the optimal solution for all work situations. Easy to use: The Bosch FlexiClick attachments can be locked in 16 different positions (360°) without having to remove them from the cordless screwdriver. Durable: 13-mm all-metal chuck. Maximum flexibility and precise work even in hard-to-reach areas with four additional FlexiClick attachments, from eccentric to SDS-plus drill bit holder. Usage: compatible with the Bosch screwdriver GSR18V-EC FC2.