Features oil pump system with pump oil pan and adjustable oil flow adjustable oil gauge reverse large horizontal axis hook and side-loaded bobbin adjustable upper thread tension locking stitch regulator specifications speed max. S.P.M. : 3000 *Speed depends on thread material and operation. Presser foot lift: by hand- 5 16 8 mm by knee- 5 8 16 mm needle bar stroke: 37 mm stitch length max: 3.6 S.P.I. 7 Mm work space: x 260 x 120 mm needle: 135 x
