Portable bag closer machine is a kind of special hand-held sealing device, suitable for sealing various kinds of openings of gunny sack, cloth bag, brown paper bag, plastic bag and other packaging purposes Bag closing machine can also be used for repairing stitched damaged bags in docks, warehouses, railway stations, post offices and other units. Gk9-2 portable bag closer is a much light weight machine, mainly suitable for sewing grain bags, sugar bags, salt bags etc.1. Single thread locked chain stitch. 2. 2pcs needle 3. Stitch length: 7.5-8.5mm 4. Weight: 4.5kg, speed: 900rpm 5. 1 phase, 50 hertz, 220 volt,100w