Lumitec Contour Masthead Combo Light w/Antenna Mount *Antenna Mount Base Not Included [101904]Contour Masthead Combo Light with Antenna Mount *Antenna Mount Base Not Included The Contour Masthead 360 All Round Anchor Combo Light takes masthead combo lights to a new level. An innovative design approach dramatically reduces the light's profile and weight, making this Contour Masthead Anchor Combo Light the slimmest and lightest on the market. Meeting USCG and NMMA C5 2021 standards and rated to 3 nautical miles, the Contour Masthead Anchor Combo