200Pcs Solder Sleeve Heat Shrink Butt Waterproof 22-10 AWG Wire Splice Connector Terminal ConnectorDescription: FEATURES: Double-walled design, heat shrinkable, radiated heat shrink tubing, polyolefin tube outside and hot melt adhesive inside, use the heat gun to shape and waterproof. HEAT SHRINK: When heat is applied, polyolefin reduces in size and adhesive flows inside. Clear case allows for precise inspection when stripping and inserting wires inside. MATERIAL: Durable copper, PVC and tinplate. The thickness grade is high, this makes your connection project more secure. USES: Suitable for Home audio, car audio, electrical cable repair, electronics, appliances, garage, shop, automotive, engine repair. RECOGNIZABLE: Pipes of different colors, with easy-to-identify wire gauge marks. Just measure the wiring and check the wire gauge mark of the polyolefin pipe to quickly select the correct connector.Specification: Name: Wire Splice Connector Terminal Connector Material: Copper, PVC and tinplate Color: Red, blue, yellowPackage Contents 200Pcs Terminal ConnectorsPromiseIf the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.