The Wingmaster Peterbilt 389 Sleeper - Rear Corner Post Trim is a practical and durable accessory for your Peterbilt truck. Made of stainless steel, this trim fits most Peterbilt 389 Sleepers and is sold individually. Designed for the passenger side, it adds a sleek and polished look to your truck's rear corner post. Enhance the appearance of your Peterbilt with this high-quality trim that is built to last.