Size- 2 3/4" dia. base and 3" base to center of the ball (17mm ball 【Secure and Sturdy】Designed to securely hold your GPS device, this mount holder is as sturdily constructed as the original. You can easily transfer the mount holder from car to another, convenience and flexibility. 【and Convenient】Made of high-quality engineering plastic, this suction cup mount holder is lightweight yet strong, durability and convenience for your Nuvi 65 66 67 68 (LMT, LM ) 2517 C Replacement Car Bracket For Garmin Garin Suction Cup Ount - Soporte Para GPS Nüvi 700 : Aazon.es Universal Car Mount For Garmin Nuvi 65 66 67 68 Bracket Suction Cup Mount Holder for Garmin Nuvi 65 66 67 68 – Lightweight and Strong for Daily Use. 2 sold. €4.11. 36% off €6.42 【Easy Installation】The mount holder is specifically designed for NUVI 65 66 67 68 (LMT, , LM ) 2517 C255 and features a windshield mount design. *This mount is not a dash mount. Ramtech Car Windshield Adjustable Large Suction Cup Simply that the back of your device matches the provided picture, and you can easily install it on your car's windshield.