These are very good condition Chinese Type 56 SKS Bolt and Bolt Carrier complete with firing pin and extractor.  These came off of 14 mil serial number Arsenal 26 SKS rifles.  They will have cosmoline and some staining.  There may be some fitting required to work for your rifle. However, I have used a few of these personally on barreled actions and they have fit right in and headspaced perfect.  If you have a Chinese Type 56 SKS in need of a bolt and carrier, these are perfect for your restoration.