All Around Light360° All Around Lights are constructed of impact resistant injection molded polycarbonate and stamped 304 stainless steel. Installs with two #6 RH fasteners (not included). For replacement of existing lighting (not for new construction).All USCG approved navigation lights must be mounted properly to provide the correct visual alignment and allow unimpeded sight lines. Please refer to USCG regulations for 1 NM and 2 NM navigation lights for more information. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to >P65Warnings.ca.gov.