Our cradle bracket mount works great with select compatible GPS mounts and uses a 17 mm ball socket EASY INSTALLATION: Use the bracket mount to secure compatible GPS to a suction cup mount, portable friction mount or adhesive dashboard mount WHAT'S INCLUDED: 1 cradle/bracket mount only COMPATIBILITY: GPS Nuvi 2639LMT 2689LMT 2699LMTHD GPS Brand new cradle bracket mount for select GPS (Non-OEM). Use the bracket mount to secure compatible GPS Nuvi to suction cup mount, portable friction mount or adhesive dashboard mount. Package includes: 1 cradle/bracket mount