0.5mm-6.0mm: The bare tube wire ferrules kit is available in 7 types, including EN0508 0.5mm (100pcs), EN1008 1.0mm (100pcs), EN1508 1.5mm (00pcs), EN2508 2.5mm (100pcs), EN4009 4.0mm (50pcs), EN6012 6.0mm (50pcs). Meet your different needs. Easy to Use: Changrongsheng copper crimp connectors are 600pcs in total, come with a plastic storage box. Simply insert the wire core into the ferrule terminals and crimp the terminal with the crimping tool. Good Electrical Conductivity: Our cord terminals are made of red copper and the surface has been tin-plated. The non-insulated terminals have good electrical and thermal conductivity, easy to solder. Secure Connection: The non-insulated boot ferrules provide secure and organized electrical connections. It protects the wire core well and can effectively prevent the wire ends from being barred or broken. Wide Use: These wire ferrules are widely used for electrical projects. Suitable for electronic equipment, workshops, automotive electricians, machinery, cars, trucks, motorcycles, etc. Color: Silver Quantity: 600 pieces