Item Type: Roller Tool Material: Aluminum Alloy, Plastic Package List 1 x Roller Tool 1Good Function: The bubble roller can improve strength and flatness, effectively improve labor efficiency, and can be used to remove air bubbles during resin coating lamination, leveling, and compaction. 2Replacing Door and Window Screen: The roller tool is a necessary tool for replacing the door and window screen. This is extremely economical and adds tremendous value to the maintenance work of large and small screens. Suitable for most screening materials. 3Comfortable Grip: This bubble roller is comfortable to hold in your hand, with exquisite workmanship, beautiful appearance, portable size. 4Smooth Rotation: The smooth rotation of the roller can remove air bubbles, which is very useful for obtaining a smooth repair. 5Applicable Scenes: Bubble roller can be used for bathtub, shower, yacht repair, doors and windows, and other purposes.