We sell a range of NH Blade fuses in all available sizes 000, 00, 0, 1, 2, 3 and 4. These fuses feature a time delay element (type aM) and are also available with a compact body option eg. 00C, 1C, 2C, 3C. The solid metal blades slot into a compatible fuse holder. Once the fuse is blown, the fuse needs to be replaced.