Tools connected in a smart system. Perfect in every detail, Strong features and advantages The swivel connector prevents the hose from twisting. With RFID chip for automatic suction hose detection. Suitable for antistatic suction hose D36, antistatic. swivel connector for connection to the vacuum cleaner's intake, outer diameter Ø 58 mm, retail packaged, All-inclusive warranty http://www.festool.se/service