Material: This product is made of high-quality aluminum materials and finely machined to make it durable and robust. Package: Set of 3 bubble paddle tools, roller head sizes separately are 50 mm x 10 mm, 70 mm x 21 mm, 50 mm; the length is approximately 310 mm. Green and efficient: In the production process, this bubble paddle tool can save resin, save time and money, and improve construction efficiency. Application: Widely used in the FRP industry, it is generally used for rolling and perforating inside and outside the product. Function: It is used to smooth and compact the resin coating and disperse air bubbles to improve the strength and flatness of FRP. It is an economical and practical hand tool in the manufacture of fiberglass. Product Description This item is made of aluminum alloy mechanical finish, durable to use. It is used to improve the strength and flatness of glass steel. In the product process, it can save resin, save time and costs, improve construction efficiency. Widely used in industrial production of glass steel, to smooth and compact the bubble caused by the resin coating, often used to punch internal and external blisters on products. It can also effectively improve work efficiency and product quality. Features: Made of aluminum alloy mechanical finish, durable to use. Used to improve the strength and flatness of glass steel. In the product process, it can save resin, save time and costs, improve construction efficiency. Widely used in industrial production of glass steel, to smooth and compact the bubble caused by the resin coating, often used to punch internal and external blisters on products. Can effectively improve work efficiency and product quality. Specifications: Condition: 100% brand new Material: Aluminum alloy + ABSTotal length: approx. 31 cm/12.2 inches Roller head length: Approx. 50 mm/2.0 inches, 75 mm/3.0 inches, 50 mm/2.0 inches Product weight: approx. 323 g