Jump ring, sterling silver, 18mm soldered textured round square wire, 14mm inside diameter, 13 gauge. Sold individually. - Fire Mountain Gems and Beads
Ring Size Conversion, US to International Ring Sizes
13mm x 2.5mm (18mm OD) Silicone O-Rings – Totally Seals
50pcs hydraulic jacks seal ring white opening pad Inner diameter 13mm 16mm 18mm _ - AliExpress Mobile
Adjustable Long Ring Raw Brass 37mm 18mm 8US Inner Size - Etsy
Amazon.com: CAOMIAN Natural Stone Finger Rings for Women Vintage Jades Agates Rings Charm Female Rings Jewelry Girlfriend Gift Diameter 18mm (Main Stone Color : White) : Clothing, Shoes & Jewelry
Shop UNICRAFTALE 6Pcs 6 Sizes 15.5~18mm Inner Diameter Finger Ring 304 Stainless Steel Simple Flat Plain Band Finger Ring DIY Wide Finger Ring for Women Men Finger Ring Making for Jewelry Making -