This fuse holder can be used with 1/4" x 1-1/4" fuses. Comes with brass fuse clips and screws and is rated at 20 amps at 12. Fuses not included. WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov Used to provide over-current protection in electrical circuits Dimensions: 2-7/16"W x 2-1/4"L Installs with #8 RH fasteners (not included)