he M3 and M4 rings might appeal to you. Each stainless steel screw is set in sterling silver, cut to reveal the screw threads. It’s even removable should you suddenly need a screw in that size for some emergency. Torx screwdriver not included. Yes…it is for sure a genial idea to transform in jewells the objects that we need usually. Our Compliments to The National Design Collective and hope they will realize a full collection of this jewells.