The Roadworks Ribbed Fender Guards are a practical and durable solution for protecting your Double JJ Blinker Bar. Made of stainless steel, these fender guards are sold in pairs and are designed to fit most Peterbilt 388 and 389 makes and models. With their ribbed design, these guards not only provide protection but also add a sleek and stylish look to your truck. Keep your blinker bar safe from damage while adding a touch of sophistication to your vehicle with these reliable fender guards.