The model can be used for production, for casting and machining.STLModel is ready for prototyping on CNC and 3D Printing.ring size 8; 18.0Triangles All (3 parts) – 930594Vertices All – 1Metal Weight: Gold 14k – 2,98 gramsGold 18k – 3,47 gramsSilver- 2,35 grams