1It is mainly used to provide insulation protection for the fuse to ensure the safe operation of the circuit. 2With durable high temperature base and transparent heat?resistant polycarbonate shell, transparent cover, dust and moisture proof. 3Using solid brass, high conductivity, gold?plated surface, stable performance. 4Wide range of applications, suitable for cars, ships or other vehicles to protect your audio system. 5Easy to install, no complicated steps to achieve a combination of multiple uses.1 x Fuse Holder BoxItem Type: Audio Power Fuse Holder Box_x000D_Material: Plastic + Copper_x000D__x000D_Current Capability: 60A_x000D_Type: 1 in, 3 out_x000D_Gauge:_x000D_In - 0/4 AWG_x000D_Out - 4/8 AWG_x000D_With 4/8 AWG wire adapter_x000D_Application: Applicable to auto, boat or other vehicles, protect your audio system 1It is mainly used to provide insulation protection for the fuse to ensure the safe operation of the circuit. 2With durable high temperature base and transparent heat?resistant polycarbonate shell, transparent cover, dust and moisture proof. 3Using solid brass, high conductivity, gold?plated surface, stable performance. 4Wide range of applications, suitable for cars, ships or other vehicles to protect your audio system. 5Easy to install, no complicated steps to achieve a combination of multiple uses.1 x Fuse Holder Box