Sold by the four (4) piece lot - 8mm unpolished copper, smooth bezel cupsPhoto is approximate size (computer setting vary, therefore images may vary also. Use coin [18mm] as a guide.)3mm, 4mm, 5mm, 6mm, 10mm, also available.See my other listings. I also offer bezel cups in sterling silver and silver plated. Sold by the four (4) piece lot. These are so well priced, why waste your time making them. Copper 8mm (inside diameter) machine made smooth edged bezel cups are easy to use. Solder them in place and set your cabochon stones with a burnisher, aka bezeler.(not included in this listing but available in my eBay store).A very good addition to your work bench materials!(note: older stock - some cups may be tarnished)Inside dimension is 8mm Bezel cups provide an easy way to set your stones and finish with clean lines and professional-looking results. Use with cabochons for everything from earrings to pendants.Metal type: Copper Metal color: Copper Fabrication Method: Die struck Gauge/thickness: 24 ga. Shape: Round Style: Smooth Bezel cup Wall height: 2.8mm Mounting/Bezel size(s) shape(s): 8.0mm Made in the USA! Thank you for looking!In addition to natural stone cabochons I also offer natural stone cabochons that fit these cups. See my store and search 8mm cabochons. For International buyers planning multiple purchases, please contact me for a shipping quote - The system will not accurately do this!! Multiple store purchases or auction wins will ship in one package to save on shipping costs. Pay securely and item(s) will ship next business day. Buyer pays applicable sales tax.