When used in combination with your current windscreen mount the TomTom adhesive disks are the ideal solution to mount your device on your dashboard giving you maximum flexibility. The disks are easily removable and do not leave any residue. The locks are compatible with many different TomTom models like the GO 520, GO 520 T, GO 530, GO 530 Traffic, GO 720, GO 720 T, GO 730, GO 730 Traffic, GO 920, GO 920 T, GO 930, GO 930 Traffic, ONE - 3rd edition, ONE 30 series, ONE 3RD EDITION Europe, ...