The integrated features a threaded roller with uniform fine grooves, designed to promote optimal adhesive pickup from the 8L container. It covers 53cm (20.87 in) wide materials smoothly, helping to achieve consistent application without dry spots or missed areas Equipped with an upgraded electronic digital meter counter, this tool tracks your exact paper feed position dynamically. Operating with a 3.7V backup battery, it offers real-time measurement data for precise cutting and reduced material waste during installation A flexible rubber tightening nut with a secure locking mechanism allows quick adjustments to the coating layer. You can easily modify the thickness to suit various thick adhesive concentrations, maintaining a uniform film throughout the project Designed with an upgraded paper holder, this unit keeps wallpaper aligned to prevent sliding. The non-slip rubber pressure roller ensures steady feeding, while the foldable crank handle tucks away neatly into compact workshop spaces Constructed from high-strength ABS and stainless steel, this 6.2 kg (13.67 lbs) device holds up to 8L of paste. The large reservoir coats approximately 5 to 7 rolls per full fill, minimizing downtime on extensive residential or commercial walls