The Littelfuse LHFB waterproof inline fuse holder is ideal for harsh environments. The easy to assemble one-piece molded thermoplastic body is a bright green color for high visibility. The LHFB holder accepts #12 to #18 gauge wire and features the voltage and ampere rating moded into the body, along with a wire strip gauge. Withstands solvents and vibration, for use with 1/4" x 1-1/4" fuses.