Heavy Wall Shrink Tube, Polyolefin Material, Black, 2400 psi Tensile Strength, 475 % Elongation at Break, 600 V, #8 to 1/0 AWG Cable Size, 0.2 in;5.1 mm Recovered Diameter, 0.8 in Expanded Diameter, 3:1 Shrink Ratio, -67 °F Operating Temperature, +230 °F Operating Temperature, 48 in Length, 10 yr Shelf Life, 0.37 lb/EA