Magnesia Soldering Blocks For Soldering Jewelry & Fine Welding. This is a new magnesia soldering block. It is made of a soft, fire proof magnesia material. Great for holding pins or small work pieces, soldering and fine welding. Can withstand temperatures of up to 2000 F (1093 C). Measures approximately 6" x 3" x 1 1/2" (152 x 76 x 37 mm).
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hate it Nov 27, 2011
By Patricia E. Welch I am not the best person to judge this product as I am new to soldering. All I can say is I will not be using it again. Whatever the powdery substance is will burn when you apply your torch.
based on 1 reviews
