Sea Dog Bakelite Fuse Block With Brass ClipsBakelite Fuse Holder. Multiple gang bakelite fuse blocks with brass fuse clips and brass screws. Used to provide over-current protection to help safeguard wiring in electrical circuits. Takes standard 1/4"x 1 1/4" fuses.; Fuses not included.; Rated- 20 amps @ 12 volts.; Installs with #8 RH fasteners (not included).; Specifications: 420513-1; Terminals: 3; Length: 2-1/4"; Width: 2-7/16"; 420516-1; Terminals: 6; Length: 4-1/2"; Width: 2-7/16";