(10) Sky High Car Audio 4 Gauge Copper Rings. (10) Sky High Car Audio Heat Shrink tubes are included for a clean install. THESE RINGS WILL FIT OUR 4 GAUGE WIRE.

(10) Sky High Car Audio 8 Gauge Copper Rings. (10) Sky High Car Audio Heat Shrink tubes are included for a clean install. THESE RINGS WILL FIT OUR 8 GAUGE WIRE.

Pack of 25 Sky High 1/0 Heat Shrinks. Available in Blue, Black, Red, White, Orange, Green, and Yellow.

Pack of 25 Sky High 2/0 Heat Shrinks. Available in Blue, Black, and Red.

Pack of 25 Sky High 4ga Heat Shrinks. Available in Blue, Black, and Red.