anchor tube

We are having pavers installed over our existing concrete pool deck. We currently have regular anchors in the concrete for our pool cover. I read that we should use the tube anchors for pavers so I have a few questions. * can I remove existing anchors and use existing holes for the tubes (just...

Was looking for safety cover anchors with a spiral bit/auger-bit style shaft that rotated into the ground and helped prevent the anchors from pulling up in soil. I know I saw some of these online last year when I was looking, but can no longer find them doing a Google search. Can't remember...