Delta no. 1342204.  This is a set of four knife tensioning springs for the Delta 22-560/580 planers.   Shipping on this item is free via USPS or UPS. There are no returns on items in the New Old Stock category.  If you are not sure if it works on your machine please contact me first.  I do combine shipping wherever possible. I do ship internationally. Just email me and I will quote shipping to your country.