Choose OPTION BELOW 2% Thoriated (EWTH-1) – Red Tip Rare Earth (EWG) – Purple Tip2% Ceriated (EWCE-2) – Gray Tip1.5% Lanthanum (EWLA-1.5) – Gold Tip2% Lanthanum (EWLA-2) – Blue TipPure (EWP) – Green Tip0.3% Zirconated (EWZR-1) – Brown Tip0.8% Zirconated (EWZR-8) – White Tip