uxcell 2.5mm Dia Fiber Optic Protection Sleeve Heat Shrinkable Tube 100pcs Product Name : Heat Shrinkable Tube;Material : Polyolefin, Metal Rated Voltage : 600V;Temperature Level : -55 to +125C Diameter : 3.5 x 2.5 x 60mm / 0.14" x 0.98" x 2.4"(OD*Inner Dia*L);Color : Clear Weight : 74g Package Content : 100 (+/-2%) x Heat Shrinkable Tube