This product includes two photo etch sheets for the Eduard FW0-190A/F kit. One is the previously described SS589 sheet, and the other is a different detail set, #73-589, which provides some exterior details, such as bomb fins, as well as some wheel well details and a part for the landing gear. If you get this set, you don’t need #SS589, as it is included here. This one is recommended if you want to add interior detail to your model.