Improve your lighter’s fuel efficiency and lifespan with the Jeffriz high-performance gasket insert. Crafted from a durable metal alloy and equipped with oil-resistant nitrile rubber O-rings, this cap effectively prevents fuel evaporation and leakage. The set includes an absorbent cotton pad and multiple rubber rings, ensuring compatibility with most standard inserts, including Regular, 1941 Replica, and Armor models. Easy to install and built to last, this accessory reduces fuel waste and extends the lifespan of your lighter. A must-have upgrade for any lighter enthusiast – perfect as a custom gift for collectors and smokers.