This is Snappy no. 41327.  This is a 3 step countersink kit that will counterbore the 3/8" hole, the shank area, and the 7/64" pilot hole for a #8 screw, all in one step.  A great time saver.    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. If you purchase more than one item that is not prepaid please do not pay until I invoice you. The shipping charges per item will go down.