Boundary wire ORIGINAL STIGA - GGP - ALPINA - CASTELGARDEN robot lawn mower models: G 300 - G 600 - G 1200 - G 3600 Stig - Stig 300 - Stig 600 - Stig 1200 Choose from the following options: - length 150 m - length 300 m - length 500 m - length 1000 m RM