About this item 【Assortment of heat shrink tubing】: The heat shrink tubing set has excellent flame-retardant and insulating properties. Soft and flexible, fast shrinking, acid and alkali resistant, and anti-aging. The heat shrink tubing has a shrink ratio of 1/2, so it can be firmly and securely attached to any device and around any shaped wire. 【Wide application】: The tubing set refills all shaped wires. Towable covers the wire cross-section you need for many other applications. Effective for insulating or protecting cables in industry or elsewhere in the home. The tight fit ensures that the sleeving won't break or deform easily, providing long-lasting protection for your wires and cables. Practical: Covers all required cable specifications in a variety of sizes. It is mainly used for cable connections, solder joints, and for protecting and insulating electronic components in wiring segments and wire harnesses. Easy to Install: Use: Simply place the sleeving over the wire or cable