Complete Terminal Block Set This kit features a variety of connectors including 60 square, 60 round, and 80 round connectors to cover a wide range of wiring needs. Conductivity Material Made from thickened copper, these connector nuts provide reliable conductivity and resist oxidation for longlasting performance. No Crimping Required Installation is quick and tool, as no crimping tools are . Suitable for both professional use and DIY projects. MultiIndustry Usage Ideal for automotive, marine, home appliances, and other applications that require dependable electrical connections. Practical use scenarios Automotive wiring upgrades or repairs: fast, secure connections without specialized crimping equipment. Marine electrical panels: durable copper connectors that resist oxidation in harsh environments. Home appliance and DIY electronics: straightforward, tool installation for reliable terminations.