The Peterbilt Stack Clamps are a practical and stylish solution for covering the seam line on plain stacks. Made from chrome plated stainless steel, these 6 inch butt joint clamps are designed to fit most Peterbilt makes and models. Sold individually, they are especially useful for those looking to add a touch of style to their truck without the need for a mounting bracket. These clamps are a great choice for anyone looking for a durable and functional solution to their stack clamping needs.