Features: 17mm ball head adapter with heavy duty suction cup base enables 360 degree rotation and secure mounting on any surfaces, perfect for car phone holders, magnetic phone mounts, and navigation brackets. Crafted from ABS plastic, this waterproof suction cup phone mount withstands extreme temperatures and offer permanent easy installation for 17mm ball head devices (phone clamp not included). Ideal for driver, adventurers, and content creators needing mounting solution for navigation, or capturing stable footage during off road journeys. Securely attach smartphones, tablets, or units to car dashboards, windshields, or office desks while maintaining vibrations resistant stability on bumpy roads or mobile workstations. Achieve precise multi angles positioning with 360 degree rotating capability, for control panels, and devices requiring flexible orientation adjustments. Specifications: Component: plastic Size: about. 80x70mm/3.15x2.76in Ball head diameter: 17mm/0.67in Suitable for magnetic mobile phone holders, mobile phone clips, navigation brackets Package Includes: 1pc 17mm Ball Head Suction Cup Mount Base note: ONLY include the suction cup base, other accessories NOT include. Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.