Genuine Zippo Double Torch Insert push button Piezo ignition Adjustable blue flame height heats up to 2 300 F 1 260 C Refillable with Zippo Butane fuel 0 9g fuel capacity Fits all regular Zippo lighter cases does not fit Slim or 1935 Replica cases Features . Genuine Zippo Single Torch Insert Push button piezo ignition. Refillable with butane fuel 0 9g fuel capacity. Insert retains the famous Zippo click sound. Fuel Zippo premium butane fluid Benefits . Provides a clean high precision flame Quick and easy ignition. Rugged durable and built to last Reusable for long lasting use. Provides up to 100 5 second lights per fill using a 1 2 5 cm flame height