3M Wire Marker Tape Numbers SDR 60-69General Information Brand 3M Dispenser Marker Type Tape Roll Refill Marker ID Style Pre printed Marker Type Dispenser Printed Text Type Numbers 60 69 Country Of Origin United States Lead Time 10 days California Residents Proposition 65 Warning Dimensions and Specifications Marker Size Cut Length to Suit Maximum Insulation Outer Diameter (Metric) 3. 7 mm Maximum Insulation Outside Diameter 0. 145 in Maximum Operating Temperature (Celsius) 121 Degree