Wire Markers by ScotchCode™ (3MCatalog Number: SDR-H) are made of durable plastic and can withstand maximum operating temperatures of 121 ℃ (250 ℉). These markers serve as an excellent solution for marking wires and cables in various networks, including access networks (FTTH/FTTB/CATV, xDSL), long-haul/metro loop networks (CO/POP, outdoor), and wireless backhaul networks. The dispenser-style Wire Marker Tape comes pre-printed with the letter "H" in white on a white tape roll, capable of marking up to 40 cores. - 7000031523