0-GAUGE WIRE CIRCUIT BREAKER 500-AMP, 12-VOLT HEAVY DUTY INDUSTRIAL PRO CAR AUDIO / MARINE AGU IN-LINE FUSE HOLDER STYLE FITS 0 AWG CABLE 1/2″ HOLE. GETWIREDUSA FX313-500A Review December 25, 2018 - Paladino DISCRIPTION PACKAGE INCLUDES – 1 BREAKER. SHIPPING FROM – USA TUCSON AZ. CONDITION – NEW. PART NUMBER – FX313 MANUFACTURER – GETWIREDUSA.