The SDR3 series ScotchCode? Wire Marker Tape Refill Roll made of polyester. This tape is printed with a number for easy identification. It is ideal for marking all types of wire and cable including power, fibre optic, electronic and telecommunications. The tape has an acrylic, pressure-sensitive adhesive. The 3M? ScotchCode? SDR wire marker tape refill roll is pre-printed with 6 numbers for every inch and is ideal for phase identification. This tape is also ideal for identification of terminal blocks/strips, wire in panel boards or a piece of switchgear. This thin and conformable tape meets ASTM D-1000 standard test methods, making it great for industrial electrical applications. It is compatible with the 3M STD ScotchCode tape dispenser that provides easy and ideal usage.