SPECIFICATIONS SEWING SPEED : Efficient production: Maximum sewing speed 1600-1800 stitches per minute DIMENSIONS  : 12in. H x 12in. W x 13in. D (30 cm x 30 cm x 33 cm) STITCH LENGTH  : 3.5 stitches/inch (25.4mm) Fixed MAXIMUM MATERIAL THICKNESS  : 10mm CUTTER TYPE  :  Mechanical THREAD  : 8oz. Cotton or Synthetic thread cones. NEEDLE SIZE  : DB X 1 200/25 Groz-Beckert POWER REQUIREMENTS  : 220V WEIGHT  : 6 kg. TYPE OF STITCH : Single thread/chain stitch CLOSING-SPEED  : 5 - 8 sec/bag, 39 fpm at 3.5 stitches/inch (25.4mm) TYPES OF BAGS  : All kinds of multi-wall paper, kraft-paper, burlap, cotton, PP/PE, Hessian, woven polyester, jute bags etc LUBRICANT  : For extended lubrication and wear, use SAE 30 Oil