Heavy Wall Shrink Tube, Polyolefin Material, Black, 2400 psi Tensile Strength, 475 % Elongation at Break, 600 V, #3/0 AWG to 400 kcmil Cable Size, 0.5 in;12.70 mm Recovered Diameter, 1.5 in Expanded Diameter, 3:1 Shrink Ratio, -67 °F Operating Temperature, +230 °F Operating Temperature, 48 in Length, 10 yr Shelf Life, 0.94 lb/EA