Fireproof Magnesium Oxide soldering block is great for soldering non ferrous metal as it can withstand temperatures up to 2000°F. Soft, fibrous
2 Magnesia Soldering Blocks For Soldering Jewelry & Fine Welding This is a new set of 2 magnesia soldering blocks These two blocks are made of a soft,
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Buttah Block - Non-Magnesium Soldering Support
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