This is the flange washer for the Powermatic 66 saws.  It will also fit other 10" saws with a 5/8" arbor and 2-1/2" OD.  This is the most heavy duty flange washer of all the 10" saws.     Shipping on this item is free via USPS or UPS. I do combine shipping wherever possible. I do ship internationally. Just email me and I will quote shipping to your country.