This item is manufactured with aluminum alloy mechanical finish, durable.It is used to improve the strength and flatness of glass steel.In the production process, it can save resin, save time and costs, and improve construction efficiency.Widely used in industrial production of glass steel, for leveling and compacting bubble resin coating, commonly used for internal and surface perforations of products.It can also effectively improve work efficiency and product quality. Features: This item is made with aluminum alloy mechanical finish, durable.It is used to improve the strength and flatness of steel to glass.In the manufacturing process, it can save resin, save time and costs, and improve construction efficiency.Widely used in industrial glass steel production, for leveling and compacting bubbles with resin coating, commonly used for internal and surface perforation of product cylinders.It can also effectively improve work efficiency and product quality. Due to manual measurement, the sizes indicated may vary by 1 to 2 cm.Color may vary slightly due to lighting or monitor brightness