spark plug,ceramic spark plug,gas igniter Application: 1, water heater 2,gas-oven,gas cookware 3,boiler 4,BBQ spark plug,ceramic spark plug,gas igniter Ceramic Insulator Body: 95% Alumina, Steatite with glazed or no glazed layer Electrode Pin/Rod: OCR25, OCR27, SUS304, Ni80Cr20, Kanthal D, etc. Bracket: Steel-Nickel Plated, Steel-ZINC Plated, Steel- Copper Plated etc. ZH-002A spark plug