The Peterbilt 389 with 48/58 or 63/72 Inch Sleeper Blank Shock Box Cover with 45 Degree Top is a practical and durable addition to your truck. Made of polished 304 stainless steel, this cover is designed to fit Peterbilt 389 models with 48/58 or 63/72 inch sleepers. The blank design means no lights or light holes, giving it a sleek and clean look. The 45-degree top design adds a touch of style while providing a practical solution for protecting your shock box. Sold individually, this cover is a functional and stylish choice for your truck.