Easy threading lower looper 8-piece feed dog Improved presser foot: better visibility of upper blade and fabric cutting, expanded needle drop position guides on front of foot, smooth feeding, improvement to rolled hem stitching and under foot changes to prevent fabric slippage. Overlock fine to med-heavy weight fabrics without changing tension. Improved stitching on lightweight fabrics using 3 threads or 4 threads. Improved differential performance on stretch knit fabrics. Improved Bi-level sewing on heavy fabrics, when stitching from 2 layers of denim over a seamed area of 6 layers and back to 2 layers. Bi-level feeding improvement when stitching 4 – 7 layers of heavy weight fabric, such as denim. Upper knife release knob sits further left of the lower knife adjusting dial. Easier to move upper knife position. Slide-in thread pre-tension on overlocker top cover. Hanenite rubber feet – a vibration suppression rubber with excellent shock absorption, it absorbs the energy and is very
durable, compared to normal rubber.