Specification -NS-254GT-H Trace - Chain type Sewing process - Automatic 2-needle Belt-Loop Attaching Machine Maximum sewing speed -2800rmp( 3.4mm )(Sewing spacing less than 3.4mm) Machine needle- DPx17#19#~21#. Number of stitches -28,36,42(Select from the Operation panel). Needle pitch- 45~75mm ( 1-11/16”~ 2-3/4”). Press foot rise -21mm. Reinforce the width of the joint -1.0~3.5mm. Reinforce the seam loop width -9~20.mm. Reinforce the seam loop length -40~70mm.