This item is manufactured by mechanical finishing of aluminum alloy material, durable to use. It is used to enhance the glass steel strength and flatness. In the process of products, it can save resin, save time and costs, improving construction efficiency. Widely used in industrial production of glass steel, for leveling and compacting the resin coating driven bubble, commonly used for products' internal and surface blistering roll puncture. It also can effectively improve the labor efficiency and product quality. Features: Manufactured by mechanical finishing of aluminum alloy material, durable to use. Used to enhance the glass steel strength and flatness. In the process of products, it can save resin, save time and costs, improving construction efficiency. Widely used in industrial production of glass steel, for leveling and compacting the resin coating driven bubble, commonly used for products' internal and surface blistering roll puncture. Can effectively improve the labor efficiency and product quality. Specification: Condition: 100% Brand New Material: Aluminum Alloy Length: Approx. 28cm / 11in Diameter: Approx. 12*75mm / 0.5*3 in Package list: 1 * Roller Tool Note: 1. Please allow 1-2 cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1Manufactured by mechanical finishing of aluminum alloy material, durable to use 2Used to enhance the glass steel strength and flatness 3In the process of products, it can save resin, save time and costs, improving construction efficiency 4Widely used in industrial production of glass steel, for leveling and compacting the resin coating driven bubble, commonly used for products' internal and surface blistering roll puncture 5Can effectively improve the labor efficiency and product quality