Complete Terminal Block Set Includes a complete set of connectors: 60 Square, 60 Round, and 80 Round, providing a range of sizes to fit different wiring needs. Conductivity Material Thickened copper construction delivers electrical conductivity and resists oxidation for longlasting performance. No Crimping Required Easy installation that requires no crimping tools, making it suitable for both professionals and DIY enthusiasts. MultiIndustry Usage Designed for automotive, marine, home appliances, and other applications that demand reliable electrical connections. Usage scenarios Automotive wiring: Ideal for replacing or extending wiring harnesses, battery connections, and sensor wiring in vehicles. Marine electronics: Suitable for wiring boat electronics, lighting, and control systems in salt and humidityprone environments. Home and DIY projects: Useful for wiring control panels, small appliances, and projects that require dependable, tool terminal connections.