Heat Shrink Tubing 3To1 Adhesive Lined 270 Pcs Black Red

Seal and protect electrical connections with a 270-piece adhesive-lined heat shrink tubing kit. Featuring a 3:1 shrink ratio and a thin adhesive inner liner, this dual-wall tubing forms a waterproof, saltwater-resistant seal around wires and cables. The six sizes come in a bold Black & Red two-color kit, perfect for color-coding and organized wiring across projects from outdoor lighting to marine electronics.

🔥 Key Features

• 3:1 shrink ratio for compact, secure protection
• 270 pieces in a dual-wall adhesive-lined design
• Thin adhesive lining creates a waterproof, saltwater-resistant seal
• Two-color kit: Black and Red for easy color coding
• Six sizes to fit a wide range of wires and cables
• Heat-activated adhesive ensures a tight, impermeable seal

🧰 Sizes & Counts

Six sizes with exact piece counts to cover multiple projects:

• 1/16" — 70 pcs
• 3/32" — 80 pcs
• 1/8" — 80 pcs
• 3/16" — 20 pcs
• 1/4" — 12 pcs
• 3/8" — 8 pcs

💧 Waterproof, Dustproof & Durable

Heat-activated adhesive lining forms an impermeable seal around wires, providing moisture resistance against salt water and other liquids. The dual-wall construction adds strength and environmental protection for outdoor, marine, and rugged applications.

🎯 Ideal For

• Outdoor lighting and holiday wiring (e.g., Christmas lights)
• Marine electronics and saltwater environments
• Automotive, DIY electronics, and general wire protection
• Weatherproof seals for exposed connections

🔧 How to Use

Cut to length, slide over the wire or connection, and apply heat evenly with a heat gun or hot air source. The tubing shrinks to form a tight fit while the adhesive flows to seal the joint, creating a durable, waterproof bond. Allow to cool before exposing to the elements.

Upgrade your wiring projects with this versatile, reliable shrink tubing kit. Order now to achieve cleaner, safer, and longer-lasting connections today.