509681-001 8 Point Power Distribution Post (Negative - Black, 5/16 Inches Post, 160 Amps) - Connecting plate is nickel-plated upper. Creates a reliable, trouble free circuit path to the control system. Base Material: Positive/Red, Negative Black, glass filled nylon,Positive post: 3/8 Inches, Negative post: 5/16 Inches,Multiple wire entry,Connecting plate is nickel-plated upper,Creates reliable, trouble free circuit path to control system