... no leaking glue from box.4, Using stainless thermostability bearing on glue box,so box has long time life5,Double coats ... no leaking glue from box.4, Using stainless thermostability bearing on glue box,so box has long time life5,Double coats ... width.2. can set all parameters and functional directly entered on the screen.3. Can set diversified sizes 4. Feeding Blade by ...