300 amperes continuous rating for outboards & small inboard gasoline or diesel engines. Tin plated copper studs for maximum conductivity & corrosion resistance. Studs accept 3/8" (M10) ring terminals. One-piece terminal stud design never loosens over time. 7/8" (22.22mm) stud length accepts multiple cable terminals. Isolating cover w/3 snap-in side pieces protects rear contacts and allows wire access in any direction. Case design allows surface, rear or front panel mounting options. Label w/international legends - 6 ICON label set included for circuit identification. Single circuit.