This is a rubber 2" X 4-1/2" sanding drum.  The drum is bored to 1/2" so it should fit a lot of the smaller sanders.  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. All shipments to Brazil must go Priority mail Express. All Brazilian shipping charges are on a quote only basis.