Create dazzling designs with the help of the Swarovski 1780100 11mm gunmetal-plated flatback snap fastener in Crystal. This set comes with four pieces to create a snap fastener for clothing, bracelets and other craft projects. In order to attach these fasteners to your designs, you will need the crystal applicator tool and the snap die set. The decorative part of this fastener features a metallic charcoal-colored setting around a brilliantly clear crystal flatback. The other pieces of the fastener are all silver in color.