Fits All Windproof Lighters: Maintain your windproof lighter with a genuine product. Flint is something that needs to be replaced, about every few weeks for the average user. EASY INSTALLATION: Remove the lighter insert from the housing and slowly remove the flint spring. Tap lightly on a hard surface to remove any remaining flint. Insert the new flint into the brass colored flint tube, replace the flint spring and tighten! Must-Have Accessories: The absolute must-have accessories to keep your lighter performing at its best. Years of trust - synonymous with founding. Known worldwide for its durability, reliability and unmatched customer service. To replace the flint: Open the lid and remove the insert. Turn the insert upside down and remove the screw and attach the spring. Remove worn flint. Put new flint in the test tube. Replace springs and screws. Tighten the screw all the way (otherwise, the cover will not close completely). If inserting a new rear wheel sticks, turn the wheel back a few times. Shipment quantity: 20 pieces of flint, excluding cotton core. Product color: as shown Product size: 56*26mm