Ram Mount Twist Lock Suction Cup Mount for the Garmin eTrex Legend C/Cx/HCx, Venture Cx/HC/Vista C/Cx/ HCx Consists of a 3.25" suction cup locking base, socket system and custom high strength composite cradle for Garmin eTrex Color devices Designed with a RAM 1" diameter patented rubber ball and socket system RAMs patented design dampens shock and vibration helping to extend the life of your mobile device The suction cup, twist lock base is designed to have a strong hold on glass and non-porous plastic surfaces, including RAM adhesive disks High Strength Composite and 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