Zippo's genuine wick will keep your windproof lighter working at optimum performance. Comes in a sealed packaged. 1 wick per package Fits all Zippo windproof lighter Measurements: 100mm (4 inches) Replacing the wick Replace when the wick in your Zippo windproof lighter becomes black from carbon To replace the wick pull the wick up with pliers until clean wick appears Cut it off even with top of chimney and straighten the wick in the chimney