Gold & Platinum Round Solitaire 5 mm 4-Prong Die Struck Mounting Metal Types:Platinum Precision cup burs designed for

Precision cup burs designed for rounding and finishing prongs during stone setting

Manufactured by a leading precious metal findings maker certified to ISO 14001:2015 (Environmental) and ISO 9001:2015 (Quality Management)

5mm) 20-64 14K Yellow

with brass forming the inner core

significantly reducing clogging on the file surface — a common challenge when working with softer metals and non-ferrous materials

Gold & Platinum Round Solitaire 5 mm 4-Prong Die Struck Mounting Metal Types:Platinum Precision cup burs designed forThese 4 prong round solitaire ring mountings are designed to showcase a 5 mm ( carat) center stone with clean, classic lines. Die struck for superior density and durability, each mounting arrives highly polished and ready for setting and sizing. Standard USA ring size 6. Made in the USA by America's largest family owned findings manufacturer using responsibly sourced gold and platinum. 14K white gold uses a nickel based alloy and is rhodium plated.