Primelite Gooseneck #21/866 SCA, Gooseneck #21/12-866 SCA Gooseneck #21/866 SCA Gooseneck #21/12-866 SCA Shortlink: https://primelite-mfg.us/primelite-catalog-section-a-page-2b/primelite-gooseneck-21866-sca-gooseneck-2112-866-sca/