5 Pieces Square Aluminum Flat Bar, 1/8″ Thickness X 1″ Width X 12″ Length Square Aluminum Bar, 6063 Aluminum Flat Plate, 3mm X 25mm X 305mm Specifications: Material: Aluminum 6063 Length: 305mm/12in Width: 25mm/1in Thickness: 3mm/1/8″ Total Quantity: 5pcs Features: Aluminum flat bar is made of aluminum 6063 which has a excellent corrosion resistance performance,lightweight and sturdy.