Glass Cloth Electrical Tape 27, 3 4 in x 66 ft, White no checkout reverse side reads in inches reverse side reads in inches Gas lenses provide a more efficient stream of shielding gas to the welding process The gas lens virtually eliminates turbulence in the gas shielding stream as it emerges from the nozzle Two piece construction or burn and has a high tensile strength Contains pressure sensitive thermosetting rubber resin adhesive which performs as Class B temperature (266ºF 130ºC) Provides hear stable insulation for hot spot applications requiring high mechanical strength and resistance to high temperatures The glass cloth is specially treated and prepared to provide corrosion free protection It will not shrink