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fischer DuoPower 5/16" x 1-5/8", Powerful Universal Plug with Intelligent 2-Component Technology for fastenings in Concrete, Bricks, Stone, Gypsum plasterboard, etc, 100 Plugs Without Screws: Amazon.com: Industrial & Scientific
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Amazon.com: Fischer 544016 Duopower Anchors with Screw, 6 x 30 mm, for Solid Wall, Perforated Brick, Drywall : Industrial & Scientific
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