DescriptionHeat shrink butt connectors are terminals that are used to mate, connect, or terminate a single wire. These terminals provide the ability to solder wire to the terminal, providing a better chance of reliable connectivity.Feature- Color: As shown. - Material: Red copper. - Size: 19.7x14x4cm. - An easy one step connection of wires,soldered,insulated and sealed. - Can be use in marine and automobile applications. - Polyolefin tubing in outside and hot melt adhesive in inside. - Solder and seal and with advanced waterproof function. - Polyolefin heat shrink butt connectors improved pullout strength, provides seal, strain relief, cable check, and insulation.