Black Heat Shrink Tubing Kit — 140pcs, Assorted Sizes for Wire Insulation & Repair

Black Heat Shrink Tubing Kit — 140pcs, Assorted Sizes

The 140-piece black heat shrink tubing kit is the comprehensive wire insulation and repair kit for electronics workbenches, automotive wiring, and DIY projects. With multiple diameter sizes in a single kit, you always have the right size on hand for any wire gauge — from fine sensor wires to heavy power cables.

Made from polyolefin with a 2:1 shrink ratio, each tube shrinks to half its original diameter when heated with a heat gun or lighter, forming a tight, durable insulating sleeve around wire splices, solder joints, and connector terminations.

Key Features

• 140-piece assorted kit — multiple diameter sizes to cover all common wire gauges
• 2:1 shrink ratio — shrinks to half original diameter for a tight, secure fit
• Polyolefin material — flexible, durable, rated for −55°C to +125°C operating temperature
• Black color — professional appearance, UV resistant
• Activates at 70°C (158°F) — use a heat gun, lighter, or soldering iron heat for activation
• RoHS compliant

Typical Applications

• Wire splice and solder joint insulation
• Connector and terminal strain relief
• Cable end protection and labeling
• Automotive wiring harness repair
• PCB wire lead insulation
• Tool handle grip improvement

Technical Specifications

• Quantity: 140 pcs (assorted sizes)
• Material: Polyolefin
• Shrink Ratio: 2:1
• Activation Temperature: 70°C (158°F)
• Operating Temperature: −55°C to +125°C
• Color: Black
• RoHS Compliant: Yes
• Brand: Keszoox
• Origin: Mainland China

Enjoy free standard shipping on all orders over $199 USD. Orders are processed within 1–2 business days.

Not satisfied? Return any item within 90 days of purchase for a full refund or exchange. Items must be in original condition.

We are committed to quality, reliability, and customer satisfaction. Every product is carefully selected and tested to meet the highest standards.