Blue Sea Systems’ 2151-BSS Dual MRBF Terminal Fuse Block features a high-amp fuse appropriate for DC main, inverter, windlass, and bow thruster circuit protection. It provides high current protection in tight space constraints. The isolated stud nut design uses standard M8 hardware and ermits stacking of the terminals. An attached insulated cap prevents accidental shorts. Accepts 5∕16″ ring terminals. Mounts on 3/8” terminal studs. Fuse sold separately. Assembled Product Weight: 0.3 lb Brand: Blue Sea Systems Assembled Product Dimensions (L x W x H): 7.00 x 3.00 x 3.00 Inches