Product Overview These heat shrink tubing rolls are perfect for both industrial and DIY projects. They can be used to make connections seamless and add a pop of color to hook rigs or other applications. Key Features 3:1 Shrink Ratio: Shrinks down to one third of its nominal diameter and reduces 10% of its pre - shrunk length. Precision Manufacturing: Extruded as a single, continuous strip with a smooth surface and uniform thickness, and tight, even coiling for integrity. Specifications Attribute Details Size 1/2", 3/8" Perfect For Ideal for those working on leader line connections, stiff hook rigs, tandem trailer hook rigs of various sizes, and anyone looking for a high - quality heat shrink solution for wire and cable insulation or protection.