Made of high-quality materials, with flame-retardant insulation characteristics, and high protection level. High temperature and aging resistance, while protecting the wires, reducing fire hazards. The installation is simple and fast, after the wire is connected, the connection is tight and easy to use. Complete specifications to meet a variety of needs. Features -Color: Assorted. -Material: PVC. -Size: About 2.40X0.80X0.50cm/ 0.94X0.31X0.20in. - The wire ferrules connectors of made of high-quality, using quality technology process which makes a better pre-insulated. - Wire ferrules kit could help you quickly complete the wiring, suitable for all kinds of equipment switches - Also suitable for batteries, car and household, electronic components with pin etc. - Ferrule has a collar that improves safety and terminals are categorized in the box according to the standard and the colors are different. - 1200pcs wire ferrule terminals will last for numerous wiring projects.