... : 95% Alumina, Steatite with glazed or no glazed layer .2) Electrode Pin/Rod: OCR25, OCR27, SUS304, Ni80Cr20, Kanthal D, etc.3 ... : UL1332, UL1911, UL3573, UL3071, UL3239 etc.4)Bracket: Steel-Nickel Plated, Steel-ZINC Plated, Steel- Copper Plated etc.5) Terminals: Various quick connect ...