• Ring size - US 8 (18 mm)
• Ring Thickness - 1.7mm/ 0.066 Inch
• Wide 4mm - 1/8 Inch
• Gold 14k - 4.73g
• Gold 18k - 5.5g
• Silver 925 - 3.8g
17...21mm look here:
https://www.cgtrader.com/3d-print-models/jewelry/rings/ring-with-cuban-link-chain-4mm-wide-3d-print-model-all-sizes
Ready to print.