Feature 250A Rating - The battery distribution block rated 250A when work in 12v circuit, and the battery terminal block can handle MAX 48V. Stud Terminal - The battery bus bar terminal block includes 3/8" studs terminal , which makes the 12V junction block able to accept large size terminal connectors and wires. Protect Cover & Nuts - Each power busbar will come with a protect cover and two nuts, which helps to shelter as much exposed area as possible to reduce the risks of accidental contact and prevent short circuit, makes the circuit safer. Application - The 12 volt bus bar with cover aims to make the wiring of circuit become neat and tidy, preventing mess harness from causing electric short circuit, suitable for automotive, car, truck, marine, boat, solar wiring. Specification Material:ABS,Metal Color:Black,Red Type:M8(5/16") Stud, M10(3/8") Stud Maximum voltage: 48V DC Current rating per stud: 62.5A Rated current of the whole electric block: 250A Auxiliary terminal screw current: 20A Package Includes: 1 / 2 x Power Distribution Block