1APPLICABLE SCENARIO: Automatic reset(E37) circuit breaker fuse box for emergency repairs of your car, boat, RV, etc. 2WIDE APPLICATION: Automatic reset small fuses are widely used in DC power system 14VDC, offshore yacht applications, automobile public transportation, RV systems, etc., for the protection of low voltage equipment 3ASSORTMENT KIT: 5A 10A 15A 20A 25A 30A make up a set of fuse blades in common specifications to make your choice easier 4ENVIRONMENTALLY FRIENDLY: The fuses sorting kit for automotive protection can meet different amperage requirements and can also be recycled 5PROTECTION FUNCTION: No need to change the fuse frequently. When the fuse is blown, you place the automatic reset circuit breaker, which can automatically troubleshoot and protect the circuit equipment 6 x Automatic Reset Blade Fuse(5A 10A 15A 20A 25A 30A 1 of each)