Features All-in-One Solder and Process: Simplify your connections with a straightforward method that eliminates the need for crimping tools or welding machines, saving you valuable time Secure and Reliable Connections: Featuring hot melt adhesive and internal solder, these connectors ensure that wires stay firmly in place, preventing slippage and enhancing durability Enhanced Waterproof Performance: The polyolefin tube and hot-melt ring design enhances waterproof capabilities, effectively protecting wires from in diverse environments Features: 1、All‑in‑one step solder and process, does not require crimping tools or welding machines, saving time. 2、Hot melt adhesive and internal solder ensure that the wires are firmly connected, prevent it slipping out of the terminal. 3、The outside is a polyolefin tube, and the inside is a hot‑melt ring, which effectively improves the waterproof performance and prevents the wire from corroding. 4、The transparent sleeve allows accurate inspection when pulling and inserting wires, make the convenient. 5、Wide range of applications, ideal for vehicles, motorcycles, boats, electrical circuits and other outdoor applications. Specification: Item Type: Heat Shrink Butts Material: PE Interface Type: BNC Shape: Strip Process: Welding Features: Waterproof Material: Tin Ring Insulator Material: PE Application Field: Electrical engineering Purpose: Ideal for vehicles, motorcycles, boats, electrical circuits and other outdoor applications Model and Quantity: Terminals White SST-S11: 40pcs Terminals Red SST-S21: 50pcs Terminals Blue SST-S31: 50pcs Terminals Yellow SST-S41: 20pcs Heat Shrink Tube Black F3.0x20mm: 340pcs Package List: 160 x Terminals 340 x Heat Shrink Tubes Package List 160 x Terminals 340 x Heat Shrink Tubes