Sky High Car Audio (10) 1/0 Gauge Copper Ring Terminals 3/8" Blue/Black Heat Shrink Tubing LUGS (10) Sky High Car Audio 0 Gauge Copper Rings. Includes (10) Sky High Car Audio heat shrink tubes. These ring terminals will fit Sky High wire These may be to big for most 0ga wire. We have multiple colors, please see our Amazon store for our different options