New Peterbilt Aluminum Battery/Tool Box Replacement Step Peterbilt 389 379 385. SURFACE: As The Picture (Picture is the real object you get). Peterbilt 389 379 385 377 378 357 and others. New Peterbilt Aluminum Battery/Tool Box Replacement Step. No welded ends. Fits Peterbilt 389 379 385 377 378 357 and others. Strong, tough and well built. Size:772mm(L)X125mm(W)X2mm(T). Items unpaid within this time. Please do not order if you are not planning to pay. Within the 48 States. Standard Order Processing time. We are not responsible for carrier transit time. This information is provided by the carrier and excludes weekends and holidays. Please repack the item carefully.