High quality: The wallpaper rolls are made of bimetallic bearings. Anti-corrosion and non-oxidizing. Unique design: Unique bimetallic bearing design, beautiful appearance, non-slip handle, flexible operation, more effectively improve the adhesion between the wallpaper and the wall. Easy to use: The scroll wheel makes the wallpaper fit the wall better, reduces wrinkles and air bubbles in the wallpaper, and makes the wallpaper more beautiful and effective. Wallpaper roller dimensions: The roller is 1.6 or 4 cm wide, 0.98 or 2.5 cm in diameter, and has a total length of 6.7 or 17 cm. Scope of application: Metal rollers are used for moving double-sided wallpapers, such as ordinary wallpapers, thick wallpapers, non-woven fabrics, fabric wallpapers, antique wallpapers and other special materials. The scroll wheel wallpaper is used to roll two wallpapers, which can make the wallpaper firmer without deformation. Partial aluminum trim rollers and bimetal bearings are durable. Unique bimetal bearing design, non-slip and beautiful, flexible operation, effectively improve the adhesion between the wallpaper and the wall. Used to roll the wallpaper on both sides of the intersection, improve the adhesion of the wallpaper to the wall, and prevent the edge of the wallpaper from being lifted off the wall. Specification: Material: aluminum magnesium alloy, carbon steel silver Cut: Roller width: 1.6 or 4cm Roller diameter: 2.5cm Total roll length: 6.7 or 17cm Package Included: Wall Roller x 1