Standard 2-threaded bar, fully mechanical. The machine is available in versions: M - for medium materials (standard), XL - for heavy materials. Depending on the needs, available subclasses with fewer stitches per cycle (eg 28 or 36). Technical data: Max. 2000ściegów / min. 42 stitches per cycle, The length of the bolt is 8 - 18 mm, The width of the bolt is 2 - 3 mm, Automatic thread trimming, Central lubrication.