brass plate and stainless steel terminals as conductors have low resistance, conductivity and resistance. maximum voltage: 300 V AC, 48 V DC, maximum continuous current: 130 A AC, 150 A DC suitable for automobiles, automobiles, trucks, ships, boats, yachts, etc. The base is made of hard plastic, , and the protective cover is made of PC to prevent accidental electrical short circuit A red battery bus bar and a black battery bus bar. Colour:As Shown Material:ABS+metal Size: 14 x 4cm Package Contents: 2 x Busbar with Terminals 4 x Screws 16 x Terminal Screws 4 x columns Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.