ZB4900-3 bags feed-in and trimming device is used to trim the bag top and feed the filled bags into sewing machine. This model is used together with the GK series automatic bag closing sewing machines. After trimming the bag edge, a tape can be bind over the top before sewing. With tape folder, width of tape not adjustable. Available for tape widths of 50, 55, 60 and 70 mm (standard 60 mm). Please specify when ordering. The paper or PE bag is trimmed approx. 20 mm (may. 90 mm). Taped before sewn. Performance test of bag material recommended.