MGP Caliper Covers are manufactured in the USA with T-6061 aerospace grade aluminum, TIG welded for strength, powder-coated for durability, and includes a patented stainless steel fastening system. Each set is engineered specifically for the brake caliper to ensure proper fit and finish. No adhesives, tape, or caliper modifications are required. Typical installation time is one hour from start to finish. ALUMINUM MATERIAL: Aerospace Grade Aluminum, no plastic material used; High quality aluminum brake caliper covers paired with vehicle specific stainless-steel clips and powder coated for durability to enhance the appearance of your wheels Enhances wheel appearance and curbside appeal No special tools, adhesives or caliper modification required Constructed with aluminum and stainless steel materials