The Magnet Source Magnet products, small but strong, for home, office and projects. With the Roll N Cut tape dispenser you can roll out the desired length of 1/2" wide magnetic tape and then safely and easily cut the magnet with the press of a lever, all in a one-handed operation. The magnet has a strong, indoor craft adhesive on one side that is protected from exposure by a white, peel-off liner. Perfect for photographs, crafts, displays, school projects and more.Details:Black1/2" x 15ft.Adhesive