Uxcell a12080700ux0467 Ratio 2:1 50mm Dia Clear Polyolefin Heat Shrinkable Tube 2M 6.6Ft Product Name : Heat Shrinkable Tube ; Material : Polyolefin ; Rated Voltage : 600V Temperature Level : 125C ; Flammability : VW-1 Diameter : 50mm / 1.968"(Before Shrinking) 25mm / 0.984" (After Shrinking) ; Shrink Ratio : 2:1