Heavy Wall Shrink Tube, Polyolefin Material, Black, 2400 Psi Tensile Strength, 475 % Elongation At Break, 600 V, 250 to 750 Kcmil Cable Size, 0.65 In;16.5 MM Recovered Diameter, 2 In Expanded Diameter, 3:1 Shrink Ratio, -67 °F Operating Temperature, +230 °F Operating Temperature, 48 In Length, 10 Yr Shelf Life, 1.33 LB/Ea