Heat Shrink Tubing | 4:1 Ratio Dual Wall Adhesive | 4mm to 52mm Assortment

This heat shrink tubing provides a secure, insulated seal for electrical connections. It features a 4:1 shrink ratio and an inner adhesive lining that melts and flows to create a waterproof barrier. This kit includes various sizes for different wire and cable needs. Features and Benefits - 4:1 shrink ratio - covers a wider range of wire diameters with fewer sizes - Dual wall with adhesive - creates a moisture-resistant seal after shrinking - Flame retardant material - adds a layer of safety for electrical work - Flexible polyolefin construction - maintains flexibility after shrinking, resists cracking Applications - Electrical wire insulation and protection - Cable bundling and strain relief - Automotive and marine wiring repairs