Features: The Universal Car Phone Holder Mount features a strong and sturdy base with adhesive pad, ensuring your cellphone stays secure in place while driving. To fit 13mm/15mm/17mm ball head, this mount can be used with various phone holders, clamps, and other accessories. Ideal for driver, photographers, and live streamers who need a reliable and mounting solution for their devices. Perfect for use in car, on desktops, or any flat place where you need to keep your phone or tablet easily accessible. With its easy installation and universal compatibilities, this car phone holder mount is a essential accessory for anyone look to enhances their experience. Specifications: Material: Plastic Diameter: About. 66mm/2.6in Pattern: 13mm/15mm/17mm Package Includes: 1pc Ball Head Phone Holder note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.