3M's Copper Foil Shielding Tape 1125 is a high quality tape designed for shielding and grounding applications. This tape is 3.25 inches wide and comes in a 36-yard roll, with 12 rolls included in each case. The 3M 1125 tape provides excellent conductivity and can easily conform to irregular shapes and surfaces, making it perfect for a variety of electrical projects. Trusted by professionals worldwide, 3M's Copper Foil Shielding Tape 1125 is a reliable and effective solution for your shielding needs.