Why You’ll Love It
SolderStick makes wire repairs fast, simple, and reliable—even when working alone or in tight or hard-to-reach spaces. Just strip the wire, insert it into the connector, apply heat, and the connection is complete in seconds. The internal solder melts, creating a strong bond while the heat shrink tubing seals the joint and protects it from moisture and corrosion.

Faster Than Traditional Soldering
Strong and Reliable Electrical Connection
100% Waterproof and Weatherproof Seal
Compatible with Multiple Wire Types and Sizes
Trusted by Professionals and DIY Users
Simple Enough for Anyone to Use

How To Use

Step 1: Prepare the Wires
Strip approximately 1/3" (about 8–10mm) of insulation from each wire end. Twist the strands neatly for a clean connection.

Step 2: Insert the Connector
Select the correct size SolderStick sleeve and insert both wire ends into the connector until properly aligned.

Step 3: Apply Heat
Use a heat gun, lighter, or hair dryer while gently rotating the wire. The solder will melt and the tubing will begin to shrink.

Step 4: Secure the Connection
Allow the connection to cool completely. The result is a sealed, waterproof, and mechanically strong electrical joint.

Applications & Specifications

Suitable For:
Boats
Automobiles
Home wiring repairs
Audio systems
Electrical projects
Medical device assembly

Technical Specifications:
Minimum Shrink Temperature: 80°C / 176°F
Minimum Solder Melting Temperature: 138°C / 280°F
Material: Dual-wall polyolefin tubing with copper solder ring
Compatible Wire Sizes: Various multi-gauge compatibility

Expert Opinion

“This is a total game changer for DIY electrical work. I used to struggle with crimping and taping connections, which always felt unreliable. With these, I just align the wires, insert them into the connector, and apply heat. The solder melts perfectly, and the heat shrink locks everything in place. The result is a durable, professional-looking connection every time.”
— Robby Layton / The Bearded Mechanic / Born Again Boating

Product information:
Model: Solder Ring
Type: terminal
Production process: welding
Features: Waterproof
Contact material: tin ring
Insulator material: heat shrink

Specifications: 

(A) 300PCS boxed white 25 red 35 blue 30 yellow 10 black casing 200
(B) 350PCS boxed white 25 red 35 blue 35 yellow 15 black casing 240
(C)500PCS boxed red 50 blue 50 white 40 yellow 20 + black casing 340
(D)600PCS boxed white 50 red 60 blue 60 yellow 25 black casing 405
(E) 100PCS boxed white 5 red 20 blue 20 yellow 5 black casing 50
(F)50PCS bag white 5 red 8 blue 8 yellow 5 black 24
(G)250PCS boxed white 25 red 35 blue 30 yellow 10 black casing 150

（H）: 220PCS box red 80 blue 80 yellow 20 white 40

（I） 640PCS boxed middle connection terminal 155 + solder ring 95 + black sleeve 390

Packing list:
Heat shrinkable tube*1

Solderstick™ Waterproof Solder Wire Connector Kit – Strong, Reliable, and Sealed Electrical Connections

Perfect for Automotive Wiring, Home Repairs, and Professional Electrical Work

Solderstick™ Waterproof Solder Wire Connector Kit is designed for users in New Zealand who need strong, durable, and waterproof electrical wire connections. It is ideal for automotive wiring, marine electrical repairs, home DIY electrical projects, and professional maintenance work where secure and long-lasting connections are essential. The heat-shrink and solder design ensures both mechanical strength and moisture protection in one simple step.

This kit is especially suitable for environments exposed to vibration, moisture, or outdoor conditions. Whether repairing car wiring, boat systems, or household electrical connections, it provides a clean, efficient, and reliable sealing solution.

Description – Solderstick™ Waterproof Solder Wire Connector Kit

The Solderstick™ Waterproof Solder Wire Connector Kit is an advanced electrical connection solution that combines soldering and heat-shrink insulation into a single connector. Each connector contains a low-temperature solder ring that melts when heat is applied, securely bonding the wires together.

The outer heat-shrink tubing is designed to shrink tightly around the wire joint, creating a sealed and waterproof connection. This helps protect against moisture, corrosion, and vibration damage, making it suitable for both indoor and outdoor electrical applications.

The connectors are color-coded by size to accommodate different wire gauges, ensuring compatibility across a wide range of electrical projects. This makes it easy to select the correct connector for automotive, marine, or household wiring tasks.

The installation process is simple and efficient: insert wires, apply heat, and allow the solder and tubing to seal the connection in one step. This eliminates the need for separate soldering tools or additional insulation materials.

The kit is designed for durability and long-term performance, ensuring stable electrical conductivity and strong mechanical bonding over time.

Overall, this solder wire connector kit provides a professional-grade solution for fast, waterproof, and reliable electrical wiring.

Key Points

Built-In Solder Ring: Melts to create strong electrical bonding.

Heat-Shrink Waterproof Seal: Protects against moisture and corrosion.

Color-Coded Sizes: Easy selection for different wire gauges.

One-Step Installation: Simplifies wiring and reduces tools needed.

Benefits

Strong Electrical Connection: Ensures reliable conductivity and durability.

Waterproof Protection: Ideal for outdoor, automotive, and marine use.

Fast Installation: Saves time compared to traditional soldering methods.

Professional Results: Clean and secure wire finishing.

Why Choose This Solderstick™ Waterproof Solder Wire Connector Kit?

This kit stands out because it combines soldering and sealing into a single efficient process. Unlike traditional wiring methods, it eliminates multiple steps and provides a strong, waterproof finish in one action.

For New Zealand users working in automotive, marine, or home electrical environments, it offers a practical and reliable solution for long-lasting repairs and installations. It reduces wiring failure risk caused by moisture or vibration.

Its combination of simplicity, durability, and professional performance makes it an essential electrical repair tool.

Conclusion

Solderstick™ Waterproof Solder Wire Connector Kit delivers strong electrical bonding, waterproof sealing, and easy installation in one efficient solution. Designed for DIY users and professionals in New Zealand, it provides reliable wire connections for automotive, marine, and home electrical work. It is a practical and durable tool for safe and long-lasting wiring.