Stepped Dual Bus Bar features different heights with each bar for more flexible wiring Removable connecting link gives more versatility to the bus barRemoving the link creates separate negative and positive buses conveniently on a single bus blockGlass fiber reinforced nylon base ensures great mechanical strength and durabilityTin-plated copper bus allowing current up to 150AStainless steel studs and screws provide superior anti-corrosion protectionInsulated base ensures no electrical leakage to metal hullsUses stainless steel M4 screws