Find this product here: https://cooltools.us/collections/product-video-setting-up-the-smith%C2%AE-little-torch%E2%84%A2-by-matt-breunig This portable torch is designed for intermittent use and uses a 14.1-oz. disposable propane and 1.1 cu. ft. disposable oxygen tanks. Typically, you’ll use roughly one tank of propane to five tanks of oxygen. The lightweight system reduces hand and arm fatigue, allowing you to work more comfortably. Flexible hoses make the torch easy to use and more agile. WARNING! Always use safety equipment when soldering!