Feature: Stainless steel material cannot be used within the mouth forever， only as a temporary or short-term use， it is strictly prohibited to work under magnetic resonance!Dental 24K Gold Plated Tapered Conical Screw Posts Kits Refills 240 PcsPremium quality precision finish inn special lead-free alloyConical shaped and Conical Cross HeadGolden Stainless Steel， Electrolytically plated with a thick layer of 24K GoldKit of 240， 12 ea. in 20 sizes plus 2 wrenchesBrand New In Box