Blue Sea Terminal Fuse Block 30 to 300AThe Blue Sea MRBF Terminal Fuse Block is compact and high-amp, appropriate for DC main, inverter, windlass and bow thruster circuit protection. This fuse block is provides high current protection in tight space constraints.Features: Isolated stud design uses standard M8 hardware and permits stacking of terminals; Insulating cap prevents accidental shorts; Accepts 5/16" ring terminals; Mounts on 3/8" terminal studs; Specifications: Maximum Amperage: 300A; Maximum Voltage: 58V DC; Maximum Torque: 75 in-lb; Terminal Stud: M8; Weight: 0.16lb; This is for the fuse holder only. Fuses sold separately