Navitech 80mm Circular Adhesive Universal Dash Disc For Use With Windscreen Suction Cups For Garmin Nuvi / N&uuml;vi 2497LMT, 44, 44LM, 42, 2557LMT, 2577LT, 3597LMTHD, 52, 52LM, 54, 54LM, 2757LM, 2797LMT (Full 12 month warranty) Mount disk sticks onto your dashboard (non marking) allowing your windscreen holder to mount onto the disk instead of your window. NOTE: As you may know thieves look out for suction cup marks on your window which usually indicates the owner has a SatNav. Made with fiber plastics to ensure hold of your GPS up to weights of 8 KG