RAM-B-166-UN10 RAM X-Grip Heavy Duty Suction Windscreen Mount for iPhone X (sku 42095)The RAM B 166 UN10 fits Apple iPhone X consists of a 3. 25" twist lock suction cup base, double socket arm and universal spring loaded X Grip IV holder for 5" large phones and phablets. The suction cup, twist lock base is designed to have a strong hold on glass and non porous plastic surfaces, including RAM adhesive disks. Designed into the mount is a 1" diameter patented rubber ball and socket system with adjustment points at both ends of the socket