These two piece components require nothing more than a couple of holes! Insert the screw into a 1/8" hole, fasten the hitch, punch a 3/16" hole in the piece you want to attach, and you're ready to roll. These innovative fasteners are perfect for jewelry, book closures, and even attaching a variety of elements to your projects. Package contains twelve 3/8" tall hitch fasteners, four each of antique nickel, antique brass, and antique copper.