Product Details: The Grote 6" Double Sealed Marker Light Pigtail is the perfect solution for connecting your LED or incandescent marker lights. This pigtail is pre-molded with a PL-10, Slim-Line 0.180" Male Bullet connection and is sealed to prevent rust. The 5" wire length make it easy to install and the ultra-blue seal ensures a secure connection. This pigtail is designed to fit both LED and incandescent lights. FleetPride is your First Click in Heavy Duty®.