To be honest I can't tell it apart from the 60/40 I've been using for years other than the smell. I don't know if it's a flux mix or a 63/37 mix, but this thing stinks (well, maybe "stinks" is too strong a word, but it's undesirable).
8-Inch Locking Hemostat Set With Straight And Curved Tips - HTS 161S2, 2-Piece
43 Review
Continental ContiCrossContact LX2 225/65 R17 102H summer
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Office chair Bureaucrat CH-330M, upholstery: textile, color: blue velvet
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Nokian Tires Nordman 7 185/65 R15 92T winter
189 Review