Image is Representational - See Manufacturer Specs | 3M� EMI Copper Foil Shielding Tape 1181 - 1/2 in x 18 yd (12.70 mm x 16.5 m) - Copper - Thickness 2.6mil The 1181-1/2X18YD is a conductive adhesive shielding tape that is designed for applications that require reliable point to point electrical contact. It comes on a removable liner for easy die cutting and handling. The tape is rated for 600V dry applications. Width is 1/2 in (12.70mm) lenght is 18 yd (16.5m). Tape color is copper. Temperature range is -40�C - 130�C.