S.T. Dupont Ligne 1 60s lighter SEALS & O-ring service/repair. Complete Set for 1 lighter, small or large version. Best rubber quality a man can get! Ensure lifetime use. You don’t want to get cheaper bad quality rubber which requires replacement after few uses! Temperature Range -80 to 450F, Tensile Strength 1000 psi, Elongation 400%, 60 Shore A Durometer. Resists Oil, Acids, Acetone, and Most Chemicals. Made in USA. Lifetime duration!!! Thank you for your interest!