Mack CH/CHN/CHU Frame Steps & Accessories: Upgrade your Mack with durable, stylish steps and accessories that make getting in and out of your cab easier and safer. From sleek stainless steel step plates to custom designs, there s something to fit your style and needs. Choose non-slip treads, corrosion-resistant materials, or eye-catching finishes to boost both function and looks. Built tough for the demands of trucking, these steps are the perfect mix of safety, convenience, and personalization for your Mack.