◆Material: Aluminium Ball Adapter for Never Breaking!
◆Size: 1" inch ball base adapter suitable for motorcycle phone holders with 1" ball sockets.
◆What's in the Package: 1* 1" handlebar ball adapter; 1* rubber gasket for 1" handlebar; 1* gasket or 0.86" handlebar; 1* gasket for 0.47" rear-view mirror pole.