Add a professional touch to designs with the sterling silver 4mm crimp cover 50pc pack. These crimp covers will disguise your crimp tubes and make them look like another bead in your designs. They are made for use with 3mm crimp tubes. Slide them over the crimp tube, squeeze them shut and see how brilliant they look in your designs. With 50 crimp covers to work with, you're sure to have enough for all of your projects.