The Muya G61009 GNSS Rover Rod is made of Aluminum+Carbon Fiber material. The telescopic GPS antenna rods has a 2m locking length. Features fixed 5/8 11 tips. Besides compression locking systems, additional snap lock to prevent the inner pole from sliding, create more greater stability. Have outer graduation in 10ths if need. Features adjustable 20 minute vial. Comes with a carrying bag and inner box .