fischer DuoPower 14 x 70, Powerful Universal Plug with Intelligent 2-Component Technology for fastenings in Concrete, Bricks, Gypsum plasterboard, chipboard, etc, 20 Plugs Without Screws

Used these to hang a large mantel on a rough, split concrete block fireplace. These puppies went right in and did exactly what I hoped they would. The L-Bars are not going anywhere, and neither is the mantel. I just used the right cement drill bit and impact driver to place the plug, and the correct sized screw. Remarkably easy. I gave the rest of the box to my friend who was helping with the installation, and ordered a set of shorter plugs for other projects around the house.

These are great for when you have something very heavy, have a concrete or brick wall but it's covered in an inch of drywall or sheetrock. Drill the appropriate length hole and these are long enough to go past the drywall and secure to the brick or concrete.

Only 19 in box --should be 20

In conjunction with bugle anchor screws they worked well to anchor supports for decrative paneling

Great price for quality plugs and nice long length.

I’ve used plenty of wall plugs over the years, but the Fischer DuoPower 8x65 is easily one of the best. The two-component design is genius—it expands, folds, or knots depending on the material, so it grips super well in concrete, brick, and even softer materials like plasterboard. ✅ What I Like: ✔ Strong Hold – No wobbling or slipping, even with heavier loads. ✔ Versatile – Works great across different surfaces without needing to guess which type of plug to use. ✔ Easy to Install – Goes in smoothly and grips tight when you screw in. ⚠️ Minor Downsides: Make sure you get the right hole size for the best grip. Instructions on box are a bonus. Overkill for very light fixings – Might be more than you need for simple jobs. Advised not to use cutter type screws. Overall, this is a top-quality, no-fail wall plug that I’ll keep stocked in my toolbox. Highly recommend for both DIYers and professionals!

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