Scosche Core AGU Fuse Holder The Scosche-EFX CAFH Inline AGU Fuse Holder for 8-Gauge or 4-Gauge Wire is designed for great performance at a great value. It features nickel-plated terminals and impact resistant covers for enhanced durability. Weather-resistant cover Imp: 4_ Rubber Surrounds High Temperature Voice Coils Impp Cones 19Mm Titanium Dome Tweeters