Kit contains mini blade fuses (5 of each): 5, 10, 15, 20, 25, 30 amp. Plus fuse puller. Add-a-circuit' fuse holder to provide additional circuit. Compatible wiring 14 - 16 AWG. Max current: 10 amps. In-Line Fuse Holder for mini blade fuses. Top up packs available, see Part Nos. 36834 (5A), 36836 (10A), 36837 (15A), 36838 (20A), 36839 (25A), 36840 (30A). 'Add-a-Circuit' fuse holder also available separately, Part No. 37187.