Efficient Glue Coating with Uniform Grooves: The manual wallpaper glue coating machine features a threaded roller structure with precision-machined uniform grooves that lift paste evenly onto paper across the entire 53 cm working width—perfectly matching standard wallpaper rolls Precise Electronic Meter for Accurate Length Reading: Equipped with a precise electronic meter at the paper exit, this wallpaper glue applicator provides real?time, accurate length readings during every pasting job. The dual?wheel design effectively prevents slippage, guaranteeing reliable counts while you apply glue Adjustable Pressure Roller for Custom Thickness Control: The upgraded pressure roller is made of premium rubber and uniformly polished to stop wallpaper slipping during gluing. Two side knobs allow easy thickness adjustment, so you can tailor the pressure for different material types—from lightweight papers to heavy vinyls Large 8L Glue Tank for Non?Stop Operation: With a full 8 L glue tank capacity, this stainless steel hand?cranked glue applicator supports brushing 5?7 rolls of wallpaper in one go—saving you time on refilling and letting you focus on smooth, continuous application. The durable ABS tank includes a folding crank for compact storage when not in use Anti?Slip Paper Holder for Steady Feeding and Less Waste: The upgraded anti?slip paper holder keeps your wallpaper roll securely in place during gluing, preventing drop?off, misalignment, or uneven feeding. Simply tilt one side when loading the roll, then retract after use for easy removal