Wire Marking Sleeves Color Black Legend None Width 1 In. Height 0.645 In. Material Brady B-344 Fluid-Resistant Polyolefin Heat Shrinkable Sleeve Min Wire Size 0.125 In. Max Wire Size 0.32 In. For Use With Thermal Transfer Printers Labels per Roll 500 per roll Shrink Ratio 3 1 Max Lines of Print Varies Temp Range -67 to 275 Degrees F