PRICE IS EACH
3/16" nominal diameter. REAL Sapphire HERO jewel set in; vintage 60's nickel finished; coin edge bezel. Very high grade. Each vary slightly. Review the photographs. Nothing 2nd rate will be shipped.
Suggested installation is in a BLIND 1/16" diameter hole about 1/16" deep using some super glue. The underside of the bezel has a shoulder on it that will sit down into the 1/8" blind hole and make it near impossible to accidentally knock-off.
See other listings for; Red and, Yellow, color jewels