Recommended material - silver or gold!

Ring sizes:

• inner diameter – 16 mm (broad),
• inner diameter – 16.5 mm (narrow),
• inner diameter – 17 mm (broad and narrow),
• inner diameter – 20 mm (broad and narrow),
• Size USA 7/8/9 (broad and narrow)

Approximate metal weight (for ring size 17 mm broad): gold 14k - 9.79 grams; gold 18k - 11.71 grams; silver 925 Sterling - 7.87 grams.Model volume (for ring size 17 mm broad): 759,982 cubic mm.

Approximate metal weight (for ring size 17 mm narrow): gold 14k - 7.45 grams; gold 18k - 8.91 grams; silver 925 Sterling - 5.99 grams.Model volume (for ring size 17 mm narrow): 578,204 cubic mm.

Approximate metal weight (for ring size 20 mm broad): gold 14k - 11.34 grams; gold 18k - 13.57 grams; silver 925 Sterling - 9.12 grams.Model volume (for ring size 20 mm broad): 880,511 cubic mm.

Approximate metal weight (for ring size 20 mm narrow): gold 14k - 8.63 grams; gold 18k - 10.32 grams; silver 925 Sterling - 6.94 grams.Model volume (for ring size 20 mm narrow): 669,780 cubic mm.

Approximate metal weight (for ring 16 mm broad): gold 14k – 9.3 grams; gold 18k – 11.1 grams; silver 925 Sterling – 7.5 grams.

Approximate metal weight (for ring 16.5 mm narrow): gold 14k – 7.3 grams; gold 18k – 8.7 grams; silver 925 Sterling – 5.9 grams.

Model avalible in STL format for prototyping. Geometry is healed, and fixed all the bad with RP Magics software You can check out my other products by clicking on the author name artchahur. Please don't forget to rate the model you purchased.Any questions? Please contact me. Thank you!