Rockford Fosgate Connecting Punch Distribution Block, platinum finish. (1) 1/0 AWG /4 AWG inputs and (3) 4 AWG/8 AWG outputs. All brass parts are manufactured using the highest quality standards. This ensures that your accessories deliver total performance. All kits include the appropriate wire termination hardware. Visit www.RockfordFosgate 24 hours a day for technical support or call (800)669-9899 M-F 7 am to 5 pm MST.