Stitch Type: Single thread chain stitch (not lockstitch, but strong enough for bag closing)
Material Support: Can sew paper, woven poly, burlap, jute, and fabric sacks
Speed: About 1,250 – 1,800 stitches per minute
Power: 220V AC (some models also support 12V DC or battery packs)
Weight: Around 6 kg
Easy maintenance and oil-lubricated internal parts for longer life