Features: Made of solid and flame retardant materials, it has excellent strength and durability even in the worst environment. Low resistance, max conductivity and corrosion protections. Stainless steel stud, with good antirust performance. The battery distribution block rated-160A when work in 12v supplier circuit, and the battery terminal block can handle MAX 48v source power. Suitable for automobiles, car, trucks, ships, yachts, etc. Specifications: Material:Stainless Steel Voltage:12V/48V Current:Main bolt 160A, terminal 20A Color:Black,Red Type:M6(1/4"), M10(3/8") M6 Size:Approx.6x6x4cm/2.36''x2.36''x1.57'' M10 Size:Approx.8x5x4cm/3.15''x1.97''x1.57'' Package Includes: 1x Bus Bar Terminal Block note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.