fence post repair driven into the underground wood of any concreted-in post, then securely screwed into place above the rotted/broken section, the fence post repair stakes simply re-joins the 2 parts of the snapped post, making it whole and solid again. the repair spike is strong enough to support any size fence post, yet flexible enough . The fence post is once again sturdy and straight, prolonging the life of your fence for many years to come. Please note: does not include screws. 8 external grade wood screws, measuring 5 mm x 60 mm, are required to fix 1 repair spike stake to the fence post.