Intended for marine lighting, the 12V Ancor Marine Grade General Lamps utilize a heavy-duty glass envelope for break resistance. Nickel-plated brass bases prevent corrosion while ensuring a positive point-of-contact. Filaments, with a rough-service design, permit hours of reliable burning. Tested for dependability. Sizes:No. 90, No. 1157, No. 906, No. 194 (not shown). Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Wiring & Electrical.