4x2 Gem 2.6mm 2x2 Gems 2.5mm 40x2 Gems 1.4mm 4x2 Gems 1.2mm Recommended material is gold 585 Includes one more smaller version in stl format. Model available in STL format for prototyping. Geometry is healed and fixed all the bad with RP Magics software Every model has been printed at least one time. Be sure that every model is correct. If you want to change something or if you have an order, let's discuss it! Have a nice day and thanks for your attention!