Specification: ✅ 4-Pin RTT7121 12V 40A Relay * 1 ✅ 5-Pin JD1914 12V 40A Relay * 5 ✅ ATC/ATO Blade Fuse * 6 ✅ 30 Copper Relay terminals ✅ 12 Galvanized Fuse Terminas ✅Universal: Automotive relay fuse box has high capacity holder box, equipped with 5 5-Pin JD1914 12V 40A Relays and 1 4-Pin RTT7121 12V 40A Relay, and 6 ATC/ATO blade fuses 5A, 10A, 15A, 20A, 25A, 30A, relay fuse box can meet different types of needs, suitable for all ships, RVs, cars, etc ✅Dustproof Design: The car relay fuse box is an insulating case with strong tamper-proof performance, with a top cover and bottom cover for dustproof, the cable opening hole is the outlet for all wires, which can be well connected together and better shielded from water splashes , dust and debris ✅Safe and Durable: The car relay fuse box s.