0.5mm-6.0mm : There are seven types of bare steel wire sleeves, including 0508 0.5mm(100 pieces), 1008 1.0mm(100 pieces), 1508 1.5mm 00 pieces, 2508 2.5mm(100 pieces) and 4009 4.0mm(50 pieces). Meet your different needs. [Easy to use]: 600 pieces of long Rong Sheng copper connectors, with plastic storage box. Just insert the conductor core into the terminal of the pulley, and then insert the terminal with the insertion tool. [Good electrical conductivity]: Our wire rope terminals are made of red copper and the surface is covered with plaster. Non-insulated terminals have good electrical and thermal conductivity and are easy to weld. [safety connection]: the uninsulated boot connector provides safe and orderly electrical connection. It can protect the core of the wire well, and can effectively prevent the end of the wire from being blocked or broken. [Widely used]: These wire plugs are widely used in electrical engineering. Suitable for electronic equipment, workshops, automotive electricians, machines, cars, trucks, motorcycles, etc. color: silver quantity: 600 pieces