ITEM NAME:3Pcs/set fiberglass bubble paddle laminating roller kit for frp mould resinOZ Features: Use to enhance the Glass steel strength and flatness make the process of products, and save resin, saving time and costs, improve construction efficiency. Aluminum alloy material manufactured by mechanical finishing Glass steel brush (called aluminum roll), also known as glass fiber defoamer. 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: Brand new Material:Aluminum alloy+ABS Roller head length : 50/75/50mm Package: 3pcs/set Bubble Paddle Tool Note: Due to the hand measurement, there have size error about 1-2cm. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same..Roller head length: 50/75/50mm. 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.