Gardner Bender 3-pk. 3/8 - 3/16-in. Heat Shrink Tubing

Gardner Bender heat shrink tubing delivers reliable insulation and protection for electrical wire and cable connections in automotive, marine, home automation, and general electrical repair projects. Made from flame-retardant polyolefin, this tubing shrinks under heat to approximately half its original diameter, forming a durable, moisture-resistant seal that safeguards connections against corrosion and abrasion. Whether you're repairing a frayed cord, protecting a sensor harness, insulating wire splices, or finishing custom builds, this three-pack provides enough material for multiple jobs while keeping your toolbox organized.

The non-stick liner makes installation straightforward and mess-free, eliminating the need for special tools or techniques. The flexible yet robust material ensures a snug fit over cables across a broad range of wire gauges, extending the lifespan of your electrical assemblies. Ideal for both professional electricians and hobbyists, this kit streamlines repairs, upgrades, and custom wiring projects with minimal effort.

Features and Benefits

• Flame-Retardant Polyolefin: Constructed from flame-retardant polyolefin material for safe use in electrical applications.
• Heat-Activated Shrinkage: Shrinks under heat to create a tight, protective seal in seconds.
• Versatile Size Range: 3/8-inch expanded diameter shrinks to 3/16-inch, covering a broad spectrum of wire gauges for automotive, marine, and home-automation projects.
• Non-Stick Liner: The liner does not adhere to wire, ensuring easy installation without damage to connections.
• Three-Pack Convenience: Pre-cut 4-inch lengths eliminate waste and provide spare tubing on hand for future jobs.

Specifications

• Brand: Gardner Bender
• Model: HST-375
• Quantity: 3-pack
• Expanded Diameter: 3/8 inch
• Shrunk Diameter: 3/16 inch
• Length per piece: 4 inches
• Material: Flame-retardant polyolefin
• Color: Black