Sea-Dog Rectangular Transom Light Stainless Steel. Rectangular Transom Light is constructed of stamped 304 stainless steel. For replacement of existing lighting (not for new construction). Installs with two #10 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 NM and 2 NM navigation lights for more information. Specifications for Sea-Dog Rectangular Transom Light: Manufacturer: Sea-Dog Color: Silver Package Contents: Sea-Dog Stainless Steel Rectangular Transom Light Sea-Dog 400136-1: Rectangular Transom Light Stainless Steel