Hello my name is Alberto from beto’s sewing machine, co. I offer the best genuine high quality sewing machine parts , in Los Ángeles California, this is one set of rubber feed dog + throat plate regular whit big hole for needle size 14-16 - , the rubber feed dog is rubber for super delicate fabric, if you don’t want damage the fabric or scratched, I put two extra screws for the throat plate , again this parts are high quality, don’t buy cheap parts,