Experience an enhanced personalization process by selecting your preferred insert. Ignite dual vivid blue flames with a simple press of a button using this innovative double torch insert. This dual flame insert provides a scent-free heat source that endures far longer than its predecessors, and it proudly carries the highest quality guarantee. Zippo's latest collection of lighter inserts, featuring this dual torch variant, is precisely engineered to be a perfect match for any Classic Zippo lighter case. To ensure optimal performance, use the Zippo butane fuel for refilling.