50pcs Joint De Soudure Connecteur De Fil, Sopoby Thermorétractables Souder Bout À Bout Seal Electriques Isolés Etanche Marine Automobile Cuivre (23red 12bleu 10blanc 5jaunes)

Solder and Hot Melt Adhesive inside can be perfectly Waterproof. Waterproof Connectors would prevent wires from corrosion. Transparent Sleeve of the butt connectors provide Visual Inspection. You can control the operating temperature and heating time. Color:Yellow,Blue,Red,White. Sizes: 5 xYellowConnectors: Diameter 6.0 mm, Cable cross-section 4.0-6.0 mm2 (A.W.G.:12-10); 12 xBlueConnectors: Diameter 4.5mm, Cable cross-section 1.5-2.5 mm2 (A.W.G.:16-14); 23 xRedConnectors: Diameter 2.7 mm, Cable cross-section 0.5-1.0 mm2 (A.W.G.:22-18); 10 xWhiteConnectors: Diameter 1.7 mm, Cable cross-section 0.25-0.34 mm2(A.W.G.:26-24).