What is this?Our heat shrink crimp connectors can provide strong crimping and stable current flow.The copper core of our heat shrinkable joints is made of tinned copper to be extremely conductive,What will I get?Colour:YellowStyle: BHT5.5Conductor Range:Yellow:12-10AWG;Internal Diameter: 7mm/0.28 inch;Length:40.5mm/1.59 inch;In the package of: 50x Heat Shrink Butt ConnectorAre there any advantages of the product?The wire connectors are tensile and stretch strength, corrosion resistance, waterproof, strong grip. The heat shrink butt connectors can work with any range of stranded or solid wire.How to use it?Wire connectors kit are All packed in a plastic container for easy organization and storage.Pick the terminal color you want. Insert the wire into the terminal one at the time and crimp by crimping tool, insert another terminal and crimp.What should I notice?All terminals are color coded by wire range for easy wire identification.If you have any problems with your order, please connect us.