Product Name: 270 PCS Heat Shrink Wire Connector Kit Electrical Insulated Crimp Marine Automotive Terminals Set Model NO.: HP-DS-06 Brand: Hampool Certification: UL, SGS Rohg Interface Type: DC/DC Shape: Round Production Process: Injection Molding Species: Terminal Character: Environmental Protection Application: Conduct Electricity Material: Copper Type: Single Hole Terminals Trademark: hampool Transport Package: 100PCS Bag Specification: HDPE Origin: China Product Description FeaturesFast and efficient way to join wires, and protect your connection against any elements! Hot melt adhesive inside can make sure the heat shrink tubing seals the wires from any harsh environment. These crimp connectors will protect your wiring against strain and vibration. Unlike their vinyl and nylon counterparts, Ourwire crimp connectors are able to stand up to the harsh marine and automotive environments