Expanding AnchorsThe multi-blade, one-piece top plate expands upon impact into undisturbed earth to form a cone shaped square, which distributes the anchor’s holding power over a wide area, building up compression against an inverted pyramid of earth. The expanding anchor retains its shape under extremely heavy loads because the base plate supports the blades in the middle and distributes the load uniformly over the blades. Reinforcing ribs provide additional strength.

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