Security Tape features exclusive laminated tape process and a special tell-tale adhesive. If the label is removed, a checkerboard pattern is left behind on the item and also on the tape making it obvious that someone has tampered with the label. Primarily used for property security applications. Tape is designed for use with Brother PT-18R, 300, 300B, 310, 310B, 320, 330, 340, 350, 520, 530, 540, 550, 580C, 1300, 1400, 1500PC, 1600, 1650, 1700, 1750, 1800, 1810, 1830, 1880, 1900, 1910, 1950, 1960, 2100, 2110, 2200, 2210, 2200, 2310, 2400, 2410, 2500PC, 2600, 2610, 2700, 2710, 3600, 9200PC, 9400, 9500PC, 9600 and ST-5 Labelers. Tape cartridge yields 26.2'