DJ Electron Copper Foil Tape with Conductive Adhesive (25mm30m)Slug Repellent, EMI Shielding, Stained Glass, Paper Circuits, Electrical Repairs - Extra Long Value Pack 100% Brand new, never be used Size: 30 m* 25 mm EMI shielding for electronic components Shielding for the back of guitar pickguards and cavities Copper Foil Tape with Conductive Adhesive one side