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. Needle No.: 26# 3. Stitch Length: 7.5~8.5MM 4. Weight: 4.5kg; Speed: 800rpm 5. 1 phase, 50 hertz, 220 volt or 1 phase, 50 hertz, 36 volt (others quoted on request).