COMPLETE TERMINAL BLOCK SET: This kit provides a complete assortment of connectors including 60 square, 60 round, and 80 round options to cover a wide range of wiring tasks. CONDUCTIVITY MATERIAL: Made from thickened copper, these connector nuts offer reliable conductivity while resisting oxidation for longlasting performance. NO CRIMPING REQUIRED: Easy installation without the need for crimping tools, making this kit suitable for both professional use and doityourself projects. MULTIINDUSTRY USAGE: Suitable for automotive, marine, home appliances, and other applications that require dependable electrical connections. USE SCENARIOS: Automotive: wiring harness repairs or upgrades, sensor and accessory connections, and relay or fuse block wiring. Marine: wiring for deck lighting, bilge pumps, and navigation electronics with corrosion resistance in mind. Home appliances and DIY: repairing or assembling appliances, power tools, or home electrical projects requiring solid terminal connections.