Ram Mount Handlebar Rail Mount with Zinc Coated U-Bolt Base for the Magellan Explorist 100, 200, 210, 300, 400, 500, 500 LE and 600 This motorcycle mount makes attaching to handlebars, tubing, or railing a breeze The zinc coated metal U-bolt and nuts included are designed to fit motorcycle handlebars, or circular rail that are 0.50" to 1.25" in diameter Rubber ball and socket technology allows for almost infinite adjustment High quality materials insure your GPS is safe, secure, and within easy reach 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