Premium Materials & Reliable Connection- 130pcs Heat Shrink wire connectors feature premium tinned red copper 0.7mm cores barrel and polyolefin heat shrink tubing (3:1 shrink ratio), ensuring excellent wire contact and low voltage drop for durable, high-conductivity connections.
Strong Crimps & High Tensile Strength- Specially designed for 16-22 gauge wires (16/18/20/22 AWG), these red butt connectors deliver strong crimps and high tensile strength, effectively resisting stretch, wear, and wire detachment—even under mechanical stress.
Waterproof & Weather-Resistant Seal - The heat shrink tubes tightly seal connections, creating a waterproof, moisture-proof, and corrosion-resistant barrier. Ideal for automotive, marine, and outdoor applications where durability against harsh environments is critical.
Wide Compatibility & Professional Results- Includes 130pcs red butt connectors compatible with 22-16 AWG wires.The seamless barrel design and adhesive-lined tubing ensures professional-grade, heat-resistant splices every time—perfect for DIY projects or professional electrical work.
Certified Safety & Versatile Use - Compliant with CE, RoHS, ISO9001, SGS standards, these marine-grade connectors are safe for automotive, marine, home electrical, and industrial applications. Easy to use with a heat gun, they simplify wiring tasks across a wide gauge range with reliable, long-lasting performance.