Ring Size Adjuster for Loose Rings 12 Pack, 2 Sizes Jewelry Sizer, Mandrel for Making Jewelry Guard, Spacer, Sizer, Fitter Spiral Silicone Tightener Set with Polishing Cloth sold2024 favorably changing gut microflora composition NOT COMPATIBLE with K favorably changing gut microflora composition to promote healthy 2% Thymoquinone Fit 90% Of Rings And Easy To Use Come in 2 sizes: (6 pcs) 2mm X 10cm coil is best for thin rings that are less then 3mm in thickness and the (6 pcs) 3mm X 10cm flat coils are best for rings up to 5mm in thickness oversize rings (way to handle if your ring is too big) and even combining multiple thin rings in one single piece