Postage is extra. Cash if picking up locally in Canberra. I believe this kitchen implement is a German made (by Wilesco) olive pitter and slicer. The frame and push down knob are made of a very light metal, perhaps molded aluminium. The spring, blade and spine are made of steel. The well where you would place the item to be pitted (stone removed from flesh of fruit) would suggest either olives or maybe cherries but in both cases the blade would not only remove the stone pit but would quarter th