Minus first. Two set screws secure the position on the ceramic mug. The hex heads of the setscrews have snapped off. I had spare parts and I replaced them. Second, the functionality of the hood. The .92" ID guide slides directly onto the .90" ceramic bowl of the PT31 torch. I bought it for the reliable gap feature that allows the high frequency start torch to move a little higher but not on the cutting surface. There's no way I can keep the tip above the surface to protect it from contamination. It does the job. The circle cut option is good but not the main reason for my purchase. This well-engineered and executed construction is the only advantage of the PT31 torches.
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