What You Get: 150A Single Row Mini Bus Bar with 2 Stainless Steel Studs (M6, 1/4") and 6 Screws (M4, 5/32") Terminal Block Kit, 6 Adhesive Heat Shrink Terminals, 2 Screws and Dust Cover. -Free Cover. Voltage: 300V AC/48V DC. Rated Current: 130A AC/ 150A DC. PREMIUM AND SAFETY: 6 M4 terminal screws and 2 M6 terminal studs are made of stainless steel with good rust resistance. Tin-plated brass has strong electrical conductivity. Reinforced flame-retardant plastic base + polycarbonate cover with attached nylon nut to prevent accidental short circuits. EASY TO USE: The 6 terminal bus bar box is convenient to use. You can use screws to secure both ends where you route your wiring and you're ready to go. Keep your wires organized, neat, and more secure. WIDE APPLICATION: Can be used in internal 300V AC and 48V DC systems. There are wide applications for cars, trucks, boats, marine, RVs, yachts, ships, etc. Removable Polycarbonate Cover The removable plastic insulating cover has good heat