S.T. Dupont Ligne 2 / Gatsby lighter SEALs / O-rings for service/repair/DIY. Complete set. 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. Ship fast!!! Lifetime duration!!! Thank you for your interest!