Effective and Long Lasting Protection: innhom heat shrink has the advantages of good tightness, acid and alkali resistance, durable and anti-aging. Use innhom heat shrink tubes instead of ugly and short-lived electric tape.

Dual-Wall with Sealing Adhesive: Featuring a tough, abrasion-resistant outer layer and an inner adhesive lining that melts when heated, this tubing forms a complete, waterproof seal with excellent strain relief. Built to resist acids, alkalis, and aging, it delivers durable, professional-grade protection for lasting connections.

3:1 HEAT SHRINK RATIO – SEALS TIGHT IN SECONDS: With a superior 3:1 shrink ratio, this dual-wall tube contracts to one-third of its original diameter, ensuring a complete, waterproof seal—unlike many standard 2:1 tubes that may leave gaps. Heats quickly at 176°F(80°C)–230°F(110°C), providing a secure, professional-grade connection in just seconds.

Functional Wire Shrink Wrap Tubing: Covers all gauges of heat shrink wires you'll need in RC hobbies and many other applications. innhom heat shrink tubing assortment is mainly used in wire connection, rust prevention and corrosion protection of solder joints, protection and insulation processing of wire end, wiring harness and electronic components. Also works well for protecting headphones and phone cables.

What You Get: Total 400pcs shrinkage ratio 3:1 Black heat shrink tubes, 7 sizes. Supplied internal diameter, 150 (pcs) 3/32'', 110 (pcs) 1/8'', 60 (pcs) 3/16'', 32 (pcs) 1/4'', 24 (pcs) 3/8'', 12 (pcs) 1/2", 12 (pcs) 3/4''. Single length 1.77 inches. All packed in a plastic case for easy storage. innhom wire shrink tubing can ensure your pleasant shopping experience.

Excellent Material Shrink Wrap: Excellent flame retardant and insulation performance. Electrical heat shrink tubing material composition does not contain heavy metal and other environmentally hazardous substances. No slowly or long-term virulence. No need to worry about your health when using innhom heat shrink wrap.