Designed specifically for car audio systems up to 600 Watts or 60 Amps 4000 Series: 2 channel audiophile grade interconnects Made from 100% oxygen-free Copper for a pure uninterrupted transfer of power Tru-Spec cables/wires  Tinned conductors for corrosion resistance AGU Style Fuse Holder (SPD5101) for Maximum Power Delivery and Safety Matte finish hyper-twist wire construction provides excellent flexibility Pre-terminated power connections provide reliable performance Includes: 18Ft. Matte Red Hyper-Twist 8GA Power Wire 3Ft. Matte Black Hyper-Twist 8GA Ground Wire (1) 17Ft. 4000 Series 2 Channel Audio Interconnect (SI4217) 17Ft. Matte Blue 18Ga Remote Turn-On Wire SPD5101 AGU Fuse Holder 60 Amp AGU Fuse 8GA Crimp Ring Terminals Pre-Installed 16GA Blue Butt Connector 8GA Snap In Protective Firewall Grommet Self Drilling Mounting Screws (10) 7” Wire Ties