Scotch 665 Permanent Double Sided Tape, 1" x 1296", 3" Core. Transparent tape coated with permanent adhesive on both sides is photo safe. Pulls off the roll smoothly and cuts easily. Resists drying out. Fits 3-inch core countertop dispensers. Scotch Permanent Double Sided Tape Refill Rolls are always ready to get to work. No drips, clogs and air bubbles that come with glue, just quality 3M adhesive technology. Scotch® Double Sided Tape is the strong, long-lasting way to create, build and present your mockups and displays. Works hard in the boardroom (and nice in the classroom).