The Roadworks Peterbilt 388 & 389 Upper Door / Under Window Trims are a practical and stylish addition to your cab mounted mirrors. Made from durable stainless steel, these trims are available in tape mount options. Sold in pairs, they are designed to fit Peterbilt 388 & 389 models from 2006 and newer. Enhance the look of your truck while protecting your mirrors with these high-quality trims.