The Toyota SLR4D overlocker is a 3, 4 thread overlocking with differential feed overlocker and features;
  -  Adjust the ratio, by turning the dial.
  -  The adjustable differential feed helps produce quality seams,
     gathers and frills.
  -  Bite width ensure correct width of the stitching to suit the
      fabric type.
  -  Built in stitch length adjuster allows wide variation of stitch
      length.