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Acid/Flux Brush, Tin Ferrule, Soft Plastic Hair, 4.5 Inch Length, 5/16 Inch Width (Pack of 30 Pieces): Amazon.com: Tools & Home Improvement
Flux brush / Brush stained glass supples | Sun and Moon Stained Glass Co. - Stained glass supplies & tools
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Harris Products Group Acid Brush Set - Pack of 5 - Ideal for Flux Application and General Purpose Brushing - Short Steel Handle - Synthetic Black Bristles in the Soldering Accessories department at Lowes.com
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