3M Electrical Spec. Part 1181-1/4X18YD is a high-quality single-sided adhesive tape made from acrylic copper foil. This tape offers exceptional electrical conductivity and is perfect for electrical applications that require shielding and grounding. It has a length of 18 yards (16.5 meters) and a width of 1/4 inch, making it versatile for various uses. The acrylic adhesive ensures a secure and long-lasting bond, while the copper foil provides excellent durability and protection against electromagnetic interference. Trust this reliable and efficient tape from 3M for all your electrical needs.