Technical Data Bag material to be closed Kraft paper, PP/PE, woven cloth, cotton, hessian, jute. Max. sewing speed 1,250 sti/min (5-6 seconds to close a bag) Max. stitch length 8.5 mm fixed Number of needle 1 thread-chainstitch Needle type DN x 1 – #25 Drive motor 220V (65W) Instruction Manual