Sea-Dog Stainless Steel LED Navigation Lights - Port & StarboardStainless Steel LED Navigation Lights Port & Starboard LED Side Mount Navigation Lights are approved for USCG 2 NM (Colreg 2 mile). One pair includes port and starboard lights. 400070 is constructed of stamped 304 stainless steel. Installs with two #8 FH fasteners (not included). 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