3M Wire Markers (SPB-03) are white vinyl impregnated cloth film markers designed for marking wire and cable. With a maximum operating temperature of 66 ℃ (150 ℉) and an operating temperature range of -40 °C to 121 °C, these markers are suitable for various network applications including access, long-haul/metro loop, and wireless networks. The pre-printed wire marker books feature numbers 1-45 in white legend color, with a marker size of 1.37 x 0.22 in (34.8 x 5.6 mm). Each kit includes 10 markers. - 7000132480