auto feed cover glue book binding machine VKD270 1) Optimized instruction design. 2) Simple operation panel makes the machine easy to operate. 3) Powerful multi-parameter setting, LCD display,have inspect and warning function 4) Adjustable function in clamp table can work on the bookcover in different thickness. 5) High-power motor, 20 teeth sun milling cutter make the perfect milling and book binding.