Acehome 102 PCS Electrical Wire Connectors Insulated Ring Crimp Terminals Connectors Features: - Our insulated wire terminals features excellent PVC material, high thikness copper. Better than most insulated connectors on the market. - The barrel is created from one total piece that eliminates the problem of the barrel opening. Your wire will never slip out of the electrical wire connectors. - Color coded pieces helps identify needed connection quickly Possible compatible uses include: Auto, Cars, trucks, boats, stereo audio AV, underground cables, and 12 volt accessories. - Used widely in the machine, electric power, home appliance, computer or other automatic equipment's. Specification: Color: red, blue, black, yellow Material: tin-plated copper Quantity: 102PCS Warm Notice: For best results, please use profession crimping tool.