Zippo Double Flame Butane Insert $17.53 (RRP $59.95) + Delivery ($0 with Prime/ $59 Spend) @ Amazon US via AU

Very good deal, fits classic size zippos, not Slim, Armor or 1935 Replica cases. Great for those who want a zippo but will only use it sporadically. Adjustable blue flame height; Heats up to 2,300°F/ 1,260°C, Refillable with butane fuel; 0.9g fuel capacity