[Set of 315 Electrical Terminals] Includes 210 crimp connectors and sockets of 2.8mm/4.8mm/6.3mm and 105 insulated sockets, all in a plastic box. These terminals are suitable for automotive, motorcycle, DIY, wiring, and repair work. [High-Quality Terminals] The terminal contacts are made of high-quality brass with brass plating and stainless steel for excellent conductivity and durability. This terminal set comes with a sufficient number of flat connectors and sockets, as well as insulated connectors and sockets, for optimal peace of mind. [Stable Connection] Each male and female spade terminal has an insulating sleeve for maximum safety and to prevent short circuits. This set of spade terminals is ideal for insulated connections, such as those on universal cables, speakers, and relays. [User-Friendly] First, connect the insulating sleeve to the cable, then attach the male and female electrical terminals to each end of the cable and assemble them. Note: Use a special electrician's pliers to connect the cables. 【Wide Application】This set of electrical connectors (2.8mm - 105 pieces, 4.8mm - 105 pieces, 6.3mm - 105 pieces) comes with a storage box, easy to carry and disassemble. Widely used in cars, motorcycles, transportation, machinery, power distribution, power electronics, household appliances, and new energy.