IDEAL, Heat Shrinkable Tube, Thermo-Shrink, Thin-Wall, Shrink Ratio: 2:1, Inside Diameter: 1/4 IN, Thickness: 022 IN, Length: 4 FT, Volume Resistivity: 1014 OHM CM For ASTM D 876 Test Method, Dielectric Strength: ASTM D 150, 20 KV/MM, Continuous Operating Temperature: -55 To 125 DEG C, Minimum Shrink Temperature: 70 DEG C, Heat Shock: UL 224, No Cracking (250 DEG C/4 HR), Cable Range: 14 - 8 AWG, Nominal Recoveredi.d. (max.): 0.126 IN, Expanded I.d. (min.): 0.268, Elongation At Break: 600 PCT ASTM D 638, E