Distribution Blocks | 0GA to 4GA / 4GA to 8GA (2) from $9.95 $17.95 Size 0 to 4 GA 4 to 8 GA Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Nickel-Plated Distribution Blocks AL-DB0: 1/0 Gauge to 4 x 4 Gauge AL-DB4: 4 Gauge to 4 x 8 Gauge