(10) 4 or 8 Gauge Green 3/8" x 2" Heat Shrink Tube 4 Ring Terminals GA Tubing (10) Sky High Car Audio heat shrink tubes. These are made and printed in the USA 2:1 ratio. These heat shrinks will fit onto 4 and 8 gauge and shrink tightly onto the wire and ring terminal. We have multiple colors, please see our Amazon store for our different options