50 Pcs Copper Heat Shrink Waterproof Solder Wire Connector for Marine Vehicle Electrical Engineering

50 Pieces of Solder Wire Connectors - These heat shrink connectors are covered with polyolefin on the outside, and heat shrink adhesive and solder adhesive inside. When the shrinkage reaches a ratio of 2 to 1, the tube tends to shrink and thus form a strong bond. Waterproof