... mould, like 25mm, 32mm, 37mm, 44mm, 50mm, 56mm, 58mm, 75mm round moulds, 35mm and 55mm square mould, 35mm and 55mm ovald ... to change mold, just insert the molds direct into the round hole5. Two small holes make the mold very steady and ... /4 and 3 inches6. Customer's OEM sizes are acceptable 2012 Newest Metal Button Badge Pin Making Machine