Product DescriptionBrand new and high quality Easy installation Great replacement for the original bracket Made of natural ABS plastic material， safe and environmental friendly Color: black Material: plastic Base diameter: about 57 mm Ball diameter: about 17 mm Clip size: about 6 x 4.5 x 1.5 cm Applicable Garmin GPS models: Nuvi 2457LMT，2497LMT，2557LMT，2577LT，2597LMT Nuvi 42，42LM，44，44LM，52，52LM，54，54LM 1 x GPS mount holder base 1 x Clip