3M ScotchCode Wire Marker Tape Refill Rolls are pre-printed with six numbers per inch and are ideal for phase identification. They are also ideal for identifying 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 dispense