InstructionUsed in guitars for shielding control cavities and pickguards to help reduce electrical noise and hum.  Tape is cut fresh from the roll.   Function:Shielding Cavities.The back of guitar pickguards.Eliminates electrical hum and noise.Replace tracks on electrical & printed circuit boards (can solder).Slug & snail barrier tape.   Material: copper foilSize: width 5 cm， length 3 mCopper foil thickness: 30 micronOverall thickness: 65 micronAdhesive force: 1.5-1.3 kg/25 mmThermal endurance: -10 Celsius--120 CelsiusMotion: 4.5-4.8 kg/mmElongation: 7%-4%  Package:1 x Copper foil tape