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