Polyform G-3 Twin Eye Fender 5.5" x 19" - Black w/Air AdapterG 3 Twin Eye Fender 5. 5" x 19" Black w Air Adapter Polyform's G Series fender has raised the bar for quality and appearance in utility fenders. Subscribing to the philosophy that quality does not have to cost more, we include ribs for extra strength, inflation valves for larger sizes and reinforced ropehold area for long term durability. We also put a little fun into fenders by offering the G Series in 14 colors. Now, all competitive products are