Glastar Glass Foiler Adjustable tension wheels hold 3/16", 1/4", or 7/32" foil for quick application to glass. Can be mounted to a work surface with four screws (included). A great time saver for all copper foil projects. Assorted colors, we aplogize color specification is not available. Peels off paper backing from foil tape while also centering and partially crimping it around edges Simple to use and reload; works with most common foil sizes