Despite a disappointment due to the negligence of delivery that AMAZON had not accustomed, I am very happy with this purchase. A broken piece on my old Singer forced me to make this purchase. Pa disappointed. Put yourself above the machine to thread the upper thread and follow the order and see No. 4. Think also to turn the steering wheel back to the famous No. 4 if you do not voyer or the thread .. Fortunately, I had read the reviews of other buyers for this threading. So I was prevented. One caveat, I hoped to provide invisible seams cuffs of shirts that are still too large. The result of the invisible seam Singer has nothing to do with the manufacturer and is not invisible.