Upgrade your car setup with this 17mm Round Adapter, designed to seamlessly convert incompatible mounts into secure bases for wireless chargers or phone holders using ABS construction. Features a universally 4 buckle locking systems for effortless compatibility with 17mm ball sockets, ensuring vibrations resistant stability while driving and easy installation within seconds. Essential for driver who frequently switches between car phone holders, rideshare professional, and commuters needing device positioning. Securely anchors smartphones or small tablets in vehicle during bumpy roads, highway drives, or city commutes when paired with most car cellphone holders and dashboard mounts. Engineered with precisions molded ABS, this light weight adapter prevents device slippage while maintaining full access to charging ports and device controls.