400PCS Solder Seal Wire Connectors – Heat Shrink Waterproof Kit (26–6 AWG)

A complete 400-piece solder seal connector kit designed for strong, waterproof electrical wire joints. These heat shrink butt connectors feature built-in solder rings that melt and seal when heated, creating a secure, insulated connection without traditional crimping. Suitable for 26–6 AWG wires, this kit is ideal for marine, automotive, boat, and truck wiring projects.