500 Pcs Solder Joint Wire Connector - Butt-to-Butt Shrink Solder Connectors - Solder Connector Kits - Insulated Waterproof Wire Terminals for Automobiles and Marine

【High-quality material, waterproof and sealed】The connector consists of a heat-shrink tube and a fusible solder sleeve. When heated, the high-quality heat-shrink tubing with a 2:1 shrink ratio contracts to form a watertight seal, preventing moisture and corrosion of the wire after sealing. 【Simple Application】The connection can be made by simply placing the bare wire into the solder joint and adjusting the temperature evenly with a heat gun. The transparent sleeve allows for precise visual control during the connection process. 【Widely Used】These 500 soldered electrical connectors are suitable not only for electronics, railways, ships, automobiles, motorcycles, aerospace, and other fields, but also for other industrial and outdoor applications. 【Color Coding for Easy Identification】5 colors, including 50 red waterproof wire connectors, 50 blue wire connectors, 20 yellow wire connectors, and 40 white wire connectors. 340 black wire connectors and 500 different colors for easy identification.