This is a solid 1-1/4" X 4-12" sanding drum.  The drum is bored to 3/4" so it should fit the  Clayton,  Jet, Ryobi and Grizzly sanders.  These can also be stacked to make a 9" drum.  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.