Brady, 2HX-1000-2-WT-SC, 117340 1" Dia. x 2" White PermaSleeve HX Heat Shrink Double Sided Wire Marking Sleeve, 1" CoreHeat-Shrink PermaSleeve® HX Polyolefin (B-7642) Wire Marking Sleeves are 2:1 heat shrinkable, high-temperature rated, highly flame retardant and very flexible.Supplied roll form in a flattened format on a carrier designed for use with computer driven printersRoHS compliant to 2005/618/EC MCV amendment to RoHS Directive 2002/95/EC; Meets SAE-AMS-DTL-23053/5 Class 1 & 3, SAE-AS-81531, MIL-STD-2002;Tested per ASTM E162 and ASTM E662Operating temperature of -40°F to 248°F (-40°C to 120°C)