Thin Wall Shrink Tube, Polyolefin Material, Black, 2400 psi Tensile Strength, 400 % Elongation at Break, 600 V, 1 in Cable Size, 0.5 in;12.70 mm Recovered Diameter, 1 in Expanded Diameter, 2:1 Shrink Ratio, -67 °F Operating Temperature, +275 °F Operating Temperature, 4 ft Length, 0.035 in Thickness, 10 yr Shelf Life, 0.31 lb/EA