Our 18K jewelry is made entirely of 18K material, not 18K plating. Carefully handmade in a reliable domestic factory. We manufacture in the same factory that supplies jewelry to major department stores, so we are confident in the quality. ___ 18K jump rings. Although small in size, they are useful for attaching bails or connecting parts inconspicuously. Please open and close them yourself with pliers. If you have any requests, we can also process them for you, so please comment. ___ ◆ Material All 18K (not plated, all 18K to the core) ◆ Size (mm) Wire diameter: 0.5 Outer diameter: 4.3 Inner diameter: 3.3 ___ Other 18K, 10K, etc. parts are here: #achan☆'s shop jewelry parts list ◆ Other accessories are here: #achan☆'s shop 14kgf jewelry ◆ Natural stone jewelry can be viewed here: #achan☆shop natural stone jewelry ___ ◆ Please see the profile for seller information and shipping information♪ 18K 18K gold K18 k18 10K 10KYG 14K 18KYG 14KYG earrings 18K earrings k18 jewelry 18k accessories necklace necklace top yellow gold K18 18K gold 18K 750 YG PG WG handmade jewelry jewelry handmade handmade accessories handmade accessories bracelet jump ring marukan chain bail fastener parts