Ram Mount RAM-HOL-SPO1U Cradle Holder for SPOT Satellite Personal Tracker (Black) 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 Back of cradle can adapt to any RAM Mounting Device, allowing you to mount your device anywhere. Made of high strength composite 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