FULL SET OF CRIMPING TOOL KIT: Crimping tools including ratchet wire crimping plier tool, 1200PCS Ferrule Wire Copper Crimp Connector. Practical wire connector jointer for helping you to do electrical connection.0HIGH PERFORMANCE TERMINALS & CONNECTORS: The 1200pcs terminals and connectors are made of good conductivity brass core, and wrapped with PVC insulation cover for safety use. Different wire聽connector cover wrap color is for you to classify easily.0WIDE APPLICATIONS: Wire connector supports industrial electricians, hobbyists of connection, or quickly make reliable connections in any screw terminal projects, equipment switch, relay power supply, car audio, lamp, speaker wiring project.