Title: worthless
Product review: The gases (both fuel and oxygen) are regulated only by their respective valves connecting each hose to the gas cylinders. The valves on the set I purchased today were entirely unable to keep the pressure consistent. I would ignite the fuel gas and add oxygen to get a neutral flame. Then I would hold the torch still and watch the flame change from neutral to carbonizing, back through neutral to oxygen rich... The cycle would continue until the torch extinguished itself from too much oxygen. I spent almost an hour trying to get it to stay lit long enough to heat up a stubborn bolt, but it never did. I used up the whole ounce of oxygen (1.1 cubic feet) that comes with the set, and took it back at the store where I purchased it. Save yourself an aggrevating experience.
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