Ram Mount Handlebar Rail Mount with Zinc Coated U-Bolt Base for the Garmin nuvi 800, 850, 855, 860, 880 and 885T Simple to install and easy to use, the possibilities become endless Designed to fit motorcycle handlebars, or circular rail that are 0.75" to 1.25" in diameter High quality materials insure your GPS is safe, secure, and within easy reach Rubber ball and socket technology allows for almost infinite adjustment and perfect viewing angles High Strength Composite & Powder Coated Marine Grade Aluminum Patented universal rubber ball and socket system allows you to mount virtually anything anywhere. Made of marine grade aluminum with a powder coated finish and rubber balls Superior shock and vibration isolation for electronics Unique design provides easy installation, mobility, strength, adjustability and versatility Construction provides a light weight and corrosion resistant product