Usage : Mainly used to eliminate electromagnetic interference EMI , to prevent body harm from electromagnetic wave.For manufacture of computer peripheral ,monitor , or transformer and so onAlso for soldering purposesType : Copper Foil TapeColor: GoldSide : One Sided ConductAdhesion: 1.5 - 1.3kg / 25mmTemperature resistance: -10 Degree --- 120 DegreeForce: 4.5 - 4.8kg / mmElongation: 7-7% to 3-4%Material: Copper FoilSize: 30mm x 10mWeight: 212gQuantity: 2 PcsPackage Contents: 2 x TapeOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.