Advanced Level for Pole Series 1, Pole Series 2 and the Travel Pole.
Features:
Integrated mirror for convenient view angle
Unique level gauge design to allow accurate reading
Travel Pole Version
Compatible with Travel Pole
Inner dimensions: 32 mm with an included plastic insert, 36 mm without the included plastic insert
Pole Series 1 Version
Compatible with Series 1 and Pole 2 UPPER Unit ONLY (which has the same diameter as pole Series 1)
Inner dimensions: 32 mm with an included plastic insert (dimensions of the biggest Pole Series 1 segment), 36 mm without the included plastic insert (dimensions of the upper segment of the lower extension pole)
Pole Series 2 Version
Compatible with Pole Series 2 Complete Unit and with Pole Series 1 Lower Extension Unit
Inner dimensions: 39.5 mm with an included plastic insert (dimensions of the second biggest segment of the complete Pole Series 2), 43.5 mm without the included plastic insert (dimensions of the biggest segment of the complete Pole Series 2)
Note that there is no advanced level available for Pole 3. For Pole 3, please use the standard Level F7160