Panduit Thin-wall Heat Shrink Tubing shrinks around wires, connectors, joints and terminals when heated to protect against abrasion, fire and chemicals. Cross-link Polyolefin, 0.75”D x 3.94’L (19.0mm x 1.2m), Black, 5pc.Typical uses of heat-shrinkable polymeric products include primary electrical insulation, EMI/RFI shielding, cable jacketing and repair, strain relief, waterproofing, cable/pipe identification, corrosion protection, environmental/mechanical protection, and cable joining, splicing, and termination in commercial and military/aerospace electronic applications.