Fifty additional 1/8-inch diameter specially designed AT-THE-JOIST screws with 3/16-inch coarse split-threads (two different pitch threads) for the Counter Snap squeaky hardwood floors Pro Kit. These screws are designed to be used at the joist for hardwood, softwood, and linoleum floors and snap off at 3 inches. They are not designed to be used in the field (between the joists). SKU 765806031718