Our Quick Disconnect allows you to quickly and easily change attachments and mounting bases while adding 3" length to your flexible gooseneck or rigid arm. Spring loaded chrome-plated steel. Simply push and twist to connect and disconnect. One end has 3/8"-24 male threads which fit our flexible gooseneck or rigid arms. The other end has 3/8"-24 female threads which fit the threads used on our attachments and mounting bases. NOTE: you cannot connect attachments directly to mounting bases with this part.