You will receive an assortment of 4 iron pyrite cubes. Each piece will measure between 15 mm and 30 mm in approximate diameter. ***PLEASE NOTE that the photos are only sample photos of the package you will receive… no two stones are the same. You will receive some big and some small stones. Please note that international order may have shipping due for larger orders than 4x. Please note these have no hole. Perfect for wire wrapping and other crafting projects!