Rustic Series Round 1" Clavos Screw Door Studs (Pack of 12)Decorative Round 1" Clavos Door Studs with Screws Pack of (12). If you are looking for rounded clavos in various widths, our Round Clavos are a great accent piece to add to your garage door. For use with wood doors or doors with trim boards. Not recommended for use on steel garage doors unless adhesive is applied. Adhesive is sold separately and purchased by the customer at their local lumberyard or hardware store. We recommend using the Loctite brand