1000PCS Waterproof Solder Stick Seal Sleeve Heat Shrink Butt Wire Connectors Kit

This set includes 2 boxes of 500-piece heat shrink seal connector kits, totaling 1000 pieces for long-term use. Each box contains 160 colored solder seal connectors (20 yellow, 50 blue, 50 red, 40 white) and 340 black heat shrink tubes, compatible with 22-10 AWG wires. The solder-filled connectors form waterproof, airtight joints when heated, blocking moisture and preventing corrosion for reliable conductivity. The matching heat shrink tubes add a secondary layer of insulation, shielding wires from abrasion, chemicals, and environmental damage. Perfect for automotive, marine, household wiring, and DIY projects, this all-inclusive kit delivers durable, hassle-free wire connections with consistent performance.

• Dual-Layer Insulation Protection: Each box comes with 340 black heat shrink tubes, forming a secondary insulating layer for the connectors. This shields wires from abrasion, chemicals, and mechanical stress, ensuring long-lasting durability and reliable performance.
• Waterproof & Corrosion-Resistant Connections: The solder-filled core melts when heated to create a seamless, airtight seal. It effectively blocks moisture and prevents wire corrosion, making it ideal for use in harsh environments.
• Package Contents: This set includes 2 boxes of 500-piece kits (1,000 pieces total), providing an abundant supply for large projects and frequent repairs. Each box contains 40 yellow, 100 blue, 100 red, and 80 white solder seal connectors, plus 340 black heat shrink tubes.
• Type and Size: White Heat Shrink Connectors: Fit wire sizes 26–24 AWG / 0.25–0.34 mm²; Red Heat Shrink Connectors: Fit wire sizes 22–18 AWG / 0.5–1.0 mm²; Blue Heat Shrink Connectors: Fit wire sizes 16–14 AWG / 1.5–2.5 mm²; Yellow Heat Shrink Connectors: Fit wire sizes 12–10 AWG / 4.0–6.0 mm²; Black Heat Shrink Tubing: 3.2 mm diameter, 20 mm length
• Versatile Multi-Scenario Application: Suitable for automotive wiring, marine electronics, household electrical work, and DIY projects, this kit delivers reliable, professional-grade connections across diverse industrial and daily use cases.