300PCS Boxed Solder Seal Wire Connectors, Heat Shrink Solder

Practical Electrical Waterproof Seal Heat Shrink Terminals Solder Sleeve Wire Connectors - Solder connector set: 4 types of cable connectors in the most commonly used sizes. Including white, red, blue and yellow. Most wiring requirements can be met.- Waterproof cable connector: each solder connector contains two waterproof heat rings. Heat shrink tube, very well protected against waterproof and dust.- Easy to use: Place the stripped part of the wire into the solder connectors. Use a heatgun [230-450°C] to melt the solder and heat ring in seconds and make the wire connection.- Wide application: you can use heat shrink tube with solder in many situations. For example, house wiring, car wiring, external wiring repairs and much more.