Heavy Duty 400A Bus Bar 12V-48V Automotive Marine Power Distribution Block with Copper Busbar & M10 Studs. 12V-48V Automotive Marine Power Distribution Block with Copper Busbar & M10 Studs. Solid Construction: Crafted with a heavy-duty glass fiber reinforced nylon base & cover, our Busbar features thickened 5.5mm tin-plated Copper plates for maximum conductivity.
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